Home / 16,078.10-24,121.70-8,687.86

Finding the Fourth Proportional to 16,078.10, 24,121.70 and 8,687.86

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Solution

The fourth proportional to 16,078.10, 24,121.70 and 8,687.86 is: 13,034.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,078.10 : 24,121.70 = 8,687.86 : x
  2. Step 2: Convert to fraction form
    16,078.10/24,121.70 = 8,687.86/x
  3. Step 3: Cross multiply
    16,078.10x = 24,121.70 × 8,687.86
  4. Step 4: Simplify right side
    16,078.10x = 209,565,881.40
  5. Step 5: Solve for x
    x = 209,565,881.40/16,078.10
  6. Step 6: Final answer
    x = 13,034.25

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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.