Home / 12,502.98-18,754.08-5,105.52

Finding the Fourth Proportional to 12,502.98, 18,754.08 and 5,105.52

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Solution

The fourth proportional to 12,502.98, 18,754.08 and 5,105.52 is: 7,658.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502.98 : 18,754.08 = 5,105.52 : x
  2. Step 2: Convert to fraction form
    12,502.98/18,754.08 = 5,105.52/x
  3. Step 3: Cross multiply
    12,502.98x = 18,754.08 × 5,105.52
  4. Step 4: Simplify right side
    12,502.98x = 95,749,330.52
  5. Step 5: Solve for x
    x = 95,749,330.52/12,502.98
  6. Step 6: Final answer
    x = 7,658.12

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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.