Home / 13,990.93-19,333.22-10,207.69

Finding the Fourth Proportional to 13,990.93, 19,333.22 and 10,207.69

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Solution

The fourth proportional to 13,990.93, 19,333.22 and 10,207.69 is: 14,105.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,990.93 : 19,333.22 = 10,207.69 : x
  2. Step 2: Convert to fraction form
    13,990.93/19,333.22 = 10,207.69/x
  3. Step 3: Cross multiply
    13,990.93x = 19,333.22 × 10,207.69
  4. Step 4: Simplify right side
    13,990.93x = 197,347,417.09
  5. Step 5: Solve for x
    x = 197,347,417.09/13,990.93
  6. Step 6: Final answer
    x = 14,105.38

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Double scale
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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.