Home / 12,891.16-19,337.10-4,132.60

Finding the Fourth Proportional to 12,891.16, 19,337.10 and 4,132.60

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Solution

The fourth proportional to 12,891.16, 19,337.10 and 4,132.60 is: 6,199.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,891.16 : 19,337.10 = 4,132.60 : x
  2. Step 2: Convert to fraction form
    12,891.16/19,337.10 = 4,132.60/x
  3. Step 3: Cross multiply
    12,891.16x = 19,337.10 × 4,132.60
  4. Step 4: Simplify right side
    12,891.16x = 79,912,499.46
  5. Step 5: Solve for x
    x = 79,912,499.46/12,891.16
  6. Step 6: Final answer
    x = 6,199.02

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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.