Home / 16,885.35-25,331.18-8,456.31

Finding the Fourth Proportional to 16,885.35, 25,331.18 and 8,456.31

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Solution

The fourth proportional to 16,885.35, 25,331.18 and 8,456.31 is: 12,686.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,885.35 : 25,331.18 = 8,456.31 : x
  2. Step 2: Convert to fraction form
    16,885.35/25,331.18 = 8,456.31/x
  3. Step 3: Cross multiply
    16,885.35x = 25,331.18 × 8,456.31
  4. Step 4: Simplify right side
    16,885.35x = 214,208,268.46
  5. Step 5: Solve for x
    x = 214,208,268.46/16,885.35
  6. Step 6: Final answer
    x = 12,686.04

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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.