Home / 12,071.46-16,659.10-6,766.24

Finding the Fourth Proportional to 12,071.46, 16,659.10 and 6,766.24

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Solution

The fourth proportional to 12,071.46, 16,659.10 and 6,766.24 is: 9,337.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071.46 : 16,659.10 = 6,766.24 : x
  2. Step 2: Convert to fraction form
    12,071.46/16,659.10 = 6,766.24/x
  3. Step 3: Cross multiply
    12,071.46x = 16,659.10 × 6,766.24
  4. Step 4: Simplify right side
    12,071.46x = 112,719,468.78
  5. Step 5: Solve for x
    x = 112,719,468.78/12,071.46
  6. Step 6: Final answer
    x = 9,337.68

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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.