Home / 12,609.24-17,410.02-8,135.61

Finding the Fourth Proportional to 12,609.24, 17,410.02 and 8,135.61

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Solution

The fourth proportional to 12,609.24, 17,410.02 and 8,135.61 is: 11,233.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,609.24 : 17,410.02 = 8,135.61 : x
  2. Step 2: Convert to fraction form
    12,609.24/17,410.02 = 8,135.61/x
  3. Step 3: Cross multiply
    12,609.24x = 17,410.02 × 8,135.61
  4. Step 4: Simplify right side
    12,609.24x = 141,641,132.81
  5. Step 5: Solve for x
    x = 141,641,132.81/12,609.24
  6. Step 6: Final answer
    x = 11,233.12

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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.