Home / 16,279.77-24,419.85-5,186.40

Finding the Fourth Proportional to 16,279.77, 24,419.85 and 5,186.40

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Solution

The fourth proportional to 16,279.77, 24,419.85 and 5,186.40 is: 7,779.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,279.77 : 24,419.85 = 5,186.40 : x
  2. Step 2: Convert to fraction form
    16,279.77/24,419.85 = 5,186.40/x
  3. Step 3: Cross multiply
    16,279.77x = 24,419.85 × 5,186.40
  4. Step 4: Simplify right side
    16,279.77x = 126,651,110.04
  5. Step 5: Solve for x
    x = 126,651,110.04/16,279.77
  6. Step 6: Final answer
    x = 7,779.66

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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.