Home / 12,502.56-18,805.68-11,310.24

Finding the Fourth Proportional to 12,502.56, 18,805.68 and 11,310.24

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Solution

The fourth proportional to 12,502.56, 18,805.68 and 11,310.24 is: 17,012.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502.56 : 18,805.68 = 11,310.24 : x
  2. Step 2: Convert to fraction form
    12,502.56/18,805.68 = 11,310.24/x
  3. Step 3: Cross multiply
    12,502.56x = 18,805.68 × 11,310.24
  4. Step 4: Simplify right side
    12,502.56x = 212,696,754.16
  5. Step 5: Solve for x
    x = 212,696,754.16/12,502.56
  6. Step 6: Final answer
    x = 17,012.26

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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.