Home / 12,862.68-19,302.62-4,542.76

Finding the Fourth Proportional to 12,862.68, 19,302.62 and 4,542.76

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Solution

The fourth proportional to 12,862.68, 19,302.62 and 4,542.76 is: 6,817.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,862.68 : 19,302.62 = 4,542.76 : x
  2. Step 2: Convert to fraction form
    12,862.68/19,302.62 = 4,542.76/x
  3. Step 3: Cross multiply
    12,862.68x = 19,302.62 × 4,542.76
  4. Step 4: Simplify right side
    12,862.68x = 87,687,170.03
  5. Step 5: Solve for x
    x = 87,687,170.03/12,862.68
  6. Step 6: Final answer
    x = 6,817.18

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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.