Home / 12,862.40-19,293.66-4,542.55

Finding the Fourth Proportional to 12,862.40, 19,293.66 and 4,542.55

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Solution

The fourth proportional to 12,862.40, 19,293.66 and 4,542.55 is: 6,813.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,862.40 : 19,293.66 = 4,542.55 : x
  2. Step 2: Convert to fraction form
    12,862.40/19,293.66 = 4,542.55/x
  3. Step 3: Cross multiply
    12,862.40x = 19,293.66 × 4,542.55
  4. Step 4: Simplify right side
    12,862.40x = 87,642,367.00
  5. Step 5: Solve for x
    x = 87,642,367.00/12,862.40
  6. Step 6: Final answer
    x = 6,813.85

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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.