Home / 11,939.40-16,459.91-9,524.96

Finding the Fourth Proportional to 11,939.40, 16,459.91 and 9,524.96

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Solution

The fourth proportional to 11,939.40, 16,459.91 and 9,524.96 is: 13,131.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.40 : 16,459.91 = 9,524.96 : x
  2. Step 2: Convert to fraction form
    11,939.40/16,459.91 = 9,524.96/x
  3. Step 3: Cross multiply
    11,939.40x = 16,459.91 × 9,524.96
  4. Step 4: Simplify right side
    11,939.40x = 156,779,854.43
  5. Step 5: Solve for x
    x = 156,779,854.43/11,939.40
  6. Step 6: Final answer
    x = 13,131.30

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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.