Home / 12,502.26-18,737.10-11,178.30

Finding the Fourth Proportional to 12,502.26, 18,737.10 and 11,178.30

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Solution

The fourth proportional to 12,502.26, 18,737.10 and 11,178.30 is: 16,752.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502.26 : 18,737.10 = 11,178.30 : x
  2. Step 2: Convert to fraction form
    12,502.26/18,737.10 = 11,178.30/x
  3. Step 3: Cross multiply
    12,502.26x = 18,737.10 × 11,178.30
  4. Step 4: Simplify right side
    12,502.26x = 209,448,924.93
  5. Step 5: Solve for x
    x = 209,448,924.93/12,502.26
  6. Step 6: Final answer
    x = 16,752.89

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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.