Home / 13,484.75-20,229.45-4,124.55

Finding the Fourth Proportional to 13,484.75, 20,229.45 and 4,124.55

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Solution

The fourth proportional to 13,484.75, 20,229.45 and 4,124.55 is: 6,187.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484.75 : 20,229.45 = 4,124.55 : x
  2. Step 2: Convert to fraction form
    13,484.75/20,229.45 = 4,124.55/x
  3. Step 3: Cross multiply
    13,484.75x = 20,229.45 × 4,124.55
  4. Step 4: Simplify right side
    13,484.75x = 83,437,267.70
  5. Step 5: Solve for x
    x = 83,437,267.70/13,484.75
  6. Step 6: Final answer
    x = 6,187.53

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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.