Home / 13,641.77-20,462.87-4,281.55

Finding the Fourth Proportional to 13,641.77, 20,462.87 and 4,281.55

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Solution

The fourth proportional to 13,641.77, 20,462.87 and 4,281.55 is: 6,422.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,641.77 : 20,462.87 = 4,281.55 : x
  2. Step 2: Convert to fraction form
    13,641.77/20,462.87 = 4,281.55/x
  3. Step 3: Cross multiply
    13,641.77x = 20,462.87 × 4,281.55
  4. Step 4: Simplify right side
    13,641.77x = 87,612,760.60
  5. Step 5: Solve for x
    x = 87,612,760.60/13,641.77
  6. Step 6: Final answer
    x = 6,422.39

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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.