Home / 8,132.34-12,188.24-6,929.49

Finding the Fourth Proportional to 8,132.34, 12,188.24 and 6,929.49

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Solution

The fourth proportional to 8,132.34, 12,188.24 and 6,929.49 is: 10,385.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.34 : 12,188.24 = 6,929.49 : x
  2. Step 2: Convert to fraction form
    8,132.34/12,188.24 = 6,929.49/x
  3. Step 3: Cross multiply
    8,132.34x = 12,188.24 × 6,929.49
  4. Step 4: Simplify right side
    8,132.34x = 84,458,252.55
  5. Step 5: Solve for x
    x = 84,458,252.55/8,132.34
  6. Step 6: Final answer
    x = 10,385.48

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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.