Home / 12,548.30-17,318.10-7,512.52

Finding the Fourth Proportional to 12,548.30, 17,318.10 and 7,512.52

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Solution

The fourth proportional to 12,548.30, 17,318.10 and 7,512.52 is: 10,368.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.30 : 17,318.10 = 7,512.52 : x
  2. Step 2: Convert to fraction form
    12,548.30/17,318.10 = 7,512.52/x
  3. Step 3: Cross multiply
    12,548.30x = 17,318.10 × 7,512.52
  4. Step 4: Simplify right side
    12,548.30x = 130,102,572.61
  5. Step 5: Solve for x
    x = 130,102,572.61/12,548.30
  6. Step 6: Final answer
    x = 10,368.14

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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.