Home / 12,974.60-19,462.20-4,655.18

Finding the Fourth Proportional to 12,974.60, 19,462.20 and 4,655.18

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Solution

The fourth proportional to 12,974.60, 19,462.20 and 4,655.18 is: 6,982.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974.60 : 19,462.20 = 4,655.18 : x
  2. Step 2: Convert to fraction form
    12,974.60/19,462.20 = 4,655.18/x
  3. Step 3: Cross multiply
    12,974.60x = 19,462.20 × 4,655.18
  4. Step 4: Simplify right side
    12,974.60x = 90,600,044.20
  5. Step 5: Solve for x
    x = 90,600,044.20/12,974.60
  6. Step 6: Final answer
    x = 6,982.88

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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.