Home / 21,332.48-29,438.83-11,901.04

Finding the Fourth Proportional to 21,332.48, 29,438.83 and 11,901.04

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Solution

The fourth proportional to 21,332.48, 29,438.83 and 11,901.04 is: 16,423.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,332.48 : 29,438.83 = 11,901.04 : x
  2. Step 2: Convert to fraction form
    21,332.48/29,438.83 = 11,901.04/x
  3. Step 3: Cross multiply
    21,332.48x = 29,438.83 × 11,901.04
  4. Step 4: Simplify right side
    21,332.48x = 350,352,693.38
  5. Step 5: Solve for x
    x = 350,352,693.38/21,332.48
  6. Step 6: Final answer
    x = 16,423.44

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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.