Home / 15,332.33-21,160.58-9,362.74

Finding the Fourth Proportional to 15,332.33, 21,160.58 and 9,362.74

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Solution

The fourth proportional to 15,332.33, 21,160.58 and 9,362.74 is: 12,921.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,332.33 : 21,160.58 = 9,362.74 : x
  2. Step 2: Convert to fraction form
    15,332.33/21,160.58 = 9,362.74/x
  3. Step 3: Cross multiply
    15,332.33x = 21,160.58 × 9,362.74
  4. Step 4: Simplify right side
    15,332.33x = 198,121,008.79
  5. Step 5: Solve for x
    x = 198,121,008.79/15,332.33
  6. Step 6: Final answer
    x = 12,921.78

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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.