Home / 16,976.28-23,430.08-9,902.71

Finding the Fourth Proportional to 16,976.28, 23,430.08 and 9,902.71

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Solution

The fourth proportional to 16,976.28, 23,430.08 and 9,902.71 is: 13,667.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,976.28 : 23,430.08 = 9,902.71 : x
  2. Step 2: Convert to fraction form
    16,976.28/23,430.08 = 9,902.71/x
  3. Step 3: Cross multiply
    16,976.28x = 23,430.08 × 9,902.71
  4. Step 4: Simplify right side
    16,976.28x = 232,021,287.52
  5. Step 5: Solve for x
    x = 232,021,287.52/16,976.28
  6. Step 6: Final answer
    x = 13,667.38

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Double scale
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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.