Home / 12,529.64-18,789.42-4,522.13

Finding the Fourth Proportional to 12,529.64, 18,789.42 and 4,522.13

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Solution

The fourth proportional to 12,529.64, 18,789.42 and 4,522.13 is: 6,781.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529.64 : 18,789.42 = 4,522.13 : x
  2. Step 2: Convert to fraction form
    12,529.64/18,789.42 = 4,522.13/x
  3. Step 3: Cross multiply
    12,529.64x = 18,789.42 × 4,522.13
  4. Step 4: Simplify right side
    12,529.64x = 84,968,167.90
  5. Step 5: Solve for x
    x = 84,968,167.90/12,529.64
  6. Step 6: Final answer
    x = 6,781.38

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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.