Home / 13,543.31-20,319.02-5,752.73

Finding the Fourth Proportional to 13,543.31, 20,319.02 and 5,752.73

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Solution

The fourth proportional to 13,543.31, 20,319.02 and 5,752.73 is: 8,630.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,543.31 : 20,319.02 = 5,752.73 : x
  2. Step 2: Convert to fraction form
    13,543.31/20,319.02 = 5,752.73/x
  3. Step 3: Cross multiply
    13,543.31x = 20,319.02 × 5,752.73
  4. Step 4: Simplify right side
    13,543.31x = 116,889,879.53
  5. Step 5: Solve for x
    x = 116,889,879.53/13,543.31
  6. Step 6: Final answer
    x = 8,630.82

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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.