Home / 8,664.53-12,934.11-7,613.58

Finding the Fourth Proportional to 8,664.53, 12,934.11 and 7,613.58

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Solution

The fourth proportional to 8,664.53, 12,934.11 and 7,613.58 is: 11,365.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.53 : 12,934.11 = 7,613.58 : x
  2. Step 2: Convert to fraction form
    8,664.53/12,934.11 = 7,613.58/x
  3. Step 3: Cross multiply
    8,664.53x = 12,934.11 × 7,613.58
  4. Step 4: Simplify right side
    8,664.53x = 98,474,881.21
  5. Step 5: Solve for x
    x = 98,474,881.21/8,664.53
  6. Step 6: Final answer
    x = 11,365.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.