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Finding the Fourth Proportional to 22,384.13, 33,569.02 and 7,387.89

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Solution

The fourth proportional to 22,384.13, 33,569.02 and 7,387.89 is: 11,079.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,384.13 : 33,569.02 = 7,387.89 : x
  2. Step 2: Convert to fraction form
    22,384.13/33,569.02 = 7,387.89/x
  3. Step 3: Cross multiply
    22,384.13x = 33,569.02 × 7,387.89
  4. Step 4: Simplify right side
    22,384.13x = 248,004,208.70
  5. Step 5: Solve for x
    x = 248,004,208.70/22,384.13
  6. Step 6: Final answer
    x = 11,079.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.