Home / 13,543.82-20,319.77-5,753.24

Finding the Fourth Proportional to 13,543.82, 20,319.77 and 5,753.24

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Solution

The fourth proportional to 13,543.82, 20,319.77 and 5,753.24 is: 8,631.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,543.82 : 20,319.77 = 5,753.24 : x
  2. Step 2: Convert to fraction form
    13,543.82/20,319.77 = 5,753.24/x
  3. Step 3: Cross multiply
    13,543.82x = 20,319.77 × 5,753.24
  4. Step 4: Simplify right side
    13,543.82x = 116,904,411.96
  5. Step 5: Solve for x
    x = 116,904,411.96/13,543.82
  6. Step 6: Final answer
    x = 8,631.57

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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.