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Finding the Fourth Proportional to 12,475.13, 18,715.77 and 3,710.00

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Solution

The fourth proportional to 12,475.13, 18,715.77 and 3,710.00 is: 5,565.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475.13 : 18,715.77 = 3,710.00 : x
  2. Step 2: Convert to fraction form
    12,475.13/18,715.77 = 3,710.00/x
  3. Step 3: Cross multiply
    12,475.13x = 18,715.77 × 3,710.00
  4. Step 4: Simplify right side
    12,475.13x = 69,435,553.49
  5. Step 5: Solve for x
    x = 69,435,553.49/12,475.13
  6. Step 6: Final answer
    x = 5,565.92

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