Home / 8,701.18-12,001.42-6,144.82

Finding the Fourth Proportional to 8,701.18, 12,001.42 and 6,144.82

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Solution

The fourth proportional to 8,701.18, 12,001.42 and 6,144.82 is: 8,475.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.18 : 12,001.42 = 6,144.82 : x
  2. Step 2: Convert to fraction form
    8,701.18/12,001.42 = 6,144.82/x
  3. Step 3: Cross multiply
    8,701.18x = 12,001.42 × 6,144.82
  4. Step 4: Simplify right side
    8,701.18x = 73,746,565.64
  5. Step 5: Solve for x
    x = 73,746,565.64/8,701.18
  6. Step 6: Final answer
    x = 8,475.47

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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.