Home / 12,550.48-17,319.90-6,885.52

Finding the Fourth Proportional to 12,550.48, 17,319.90 and 6,885.52

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Solution

The fourth proportional to 12,550.48, 17,319.90 and 6,885.52 is: 9,502.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.48 : 17,319.90 = 6,885.52 : x
  2. Step 2: Convert to fraction form
    12,550.48/17,319.90 = 6,885.52/x
  3. Step 3: Cross multiply
    12,550.48x = 17,319.90 × 6,885.52
  4. Step 4: Simplify right side
    12,550.48x = 119,256,517.85
  5. Step 5: Solve for x
    x = 119,256,517.85/12,550.48
  6. Step 6: Final answer
    x = 9,502.15

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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.