Home / 14,704.61-20,292.45-7,990.23

Finding the Fourth Proportional to 14,704.61, 20,292.45 and 7,990.23

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Solution

The fourth proportional to 14,704.61, 20,292.45 and 7,990.23 is: 11,026.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,704.61 : 20,292.45 = 7,990.23 : x
  2. Step 2: Convert to fraction form
    14,704.61/20,292.45 = 7,990.23/x
  3. Step 3: Cross multiply
    14,704.61x = 20,292.45 × 7,990.23
  4. Step 4: Simplify right side
    14,704.61x = 162,141,342.76
  5. Step 5: Solve for x
    x = 162,141,342.76/14,704.61
  6. Step 6: Final answer
    x = 11,026.57

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Half scale
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Double scale
Find fourth proportional to 14,705.61, 20,293.83 and 7,991.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.