Home / 12,862.46-19,290.76-6,195.55

Finding the Fourth Proportional to 12,862.46, 19,290.76 and 6,195.55

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Solution

The fourth proportional to 12,862.46, 19,290.76 and 6,195.55 is: 9,291.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,862.46 : 19,290.76 = 6,195.55 : x
  2. Step 2: Convert to fraction form
    12,862.46/19,290.76 = 6,195.55/x
  3. Step 3: Cross multiply
    12,862.46x = 19,290.76 × 6,195.55
  4. Step 4: Simplify right side
    12,862.46x = 119,516,868.12
  5. Step 5: Solve for x
    x = 119,516,868.12/12,862.46
  6. Step 6: Final answer
    x = 9,291.91

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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.