Home / 14,705.04-20,292.99-7,990.75

Finding the Fourth Proportional to 14,705.04, 20,292.99 and 7,990.75

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Solution

The fourth proportional to 14,705.04, 20,292.99 and 7,990.75 is: 11,027.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,705.04 : 20,292.99 = 7,990.75 : x
  2. Step 2: Convert to fraction form
    14,705.04/20,292.99 = 7,990.75/x
  3. Step 3: Cross multiply
    14,705.04x = 20,292.99 × 7,990.75
  4. Step 4: Simplify right side
    14,705.04x = 162,156,205.24
  5. Step 5: Solve for x
    x = 162,156,205.24/14,705.04
  6. Step 6: Final answer
    x = 11,027.25

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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.