Home / 12,862.55-19,291.84-4,963.92

Finding the Fourth Proportional to 12,862.55, 19,291.84 and 4,963.92

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Solution

The fourth proportional to 12,862.55, 19,291.84 and 4,963.92 is: 7,445.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,862.55 : 19,291.84 = 4,963.92 : x
  2. Step 2: Convert to fraction form
    12,862.55/19,291.84 = 4,963.92/x
  3. Step 3: Cross multiply
    12,862.55x = 19,291.84 × 4,963.92
  4. Step 4: Simplify right side
    12,862.55x = 95,763,150.41
  5. Step 5: Solve for x
    x = 95,763,150.41/12,862.55
  6. Step 6: Final answer
    x = 7,445.11

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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.