Home / 20,333.64-30,497.38-5,543.76

Finding the Fourth Proportional to 20,333.64, 30,497.38 and 5,543.76

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Solution

The fourth proportional to 20,333.64, 30,497.38 and 5,543.76 is: 8,314.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,333.64 : 30,497.38 = 5,543.76 : x
  2. Step 2: Convert to fraction form
    20,333.64/30,497.38 = 5,543.76/x
  3. Step 3: Cross multiply
    20,333.64x = 30,497.38 × 5,543.76
  4. Step 4: Simplify right side
    20,333.64x = 169,070,155.35
  5. Step 5: Solve for x
    x = 169,070,155.35/20,333.64
  6. Step 6: Final answer
    x = 8,314.80

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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.