Home / 8,704.17-12,011.76-5,167.62

Finding the Fourth Proportional to 8,704.17, 12,011.76 and 5,167.62

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Solution

The fourth proportional to 8,704.17, 12,011.76 and 5,167.62 is: 7,131.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,704.17 : 12,011.76 = 5,167.62 : x
  2. Step 2: Convert to fraction form
    8,704.17/12,011.76 = 5,167.62/x
  3. Step 3: Cross multiply
    8,704.17x = 12,011.76 × 5,167.62
  4. Step 4: Simplify right side
    8,704.17x = 62,072,211.21
  5. Step 5: Solve for x
    x = 62,072,211.21/8,704.17
  6. Step 6: Final answer
    x = 7,131.32

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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.