Home / 12,932.10-17,845.54-7,553.90

Finding the Fourth Proportional to 12,932.10, 17,845.54 and 7,553.90

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Solution

The fourth proportional to 12,932.10, 17,845.54 and 7,553.90 is: 10,423.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932.10 : 17,845.54 = 7,553.90 : x
  2. Step 2: Convert to fraction form
    12,932.10/17,845.54 = 7,553.90/x
  3. Step 3: Cross multiply
    12,932.10x = 17,845.54 × 7,553.90
  4. Step 4: Simplify right side
    12,932.10x = 134,803,424.61
  5. Step 5: Solve for x
    x = 134,803,424.61/12,932.10
  6. Step 6: Final answer
    x = 10,423.94

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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.