Home / 20,248.01-30,372.73-5,457.29

Finding the Fourth Proportional to 20,248.01, 30,372.73 and 5,457.29

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Solution

The fourth proportional to 20,248.01, 30,372.73 and 5,457.29 is: 8,186.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,248.01 : 30,372.73 = 5,457.29 : x
  2. Step 2: Convert to fraction form
    20,248.01/30,372.73 = 5,457.29/x
  3. Step 3: Cross multiply
    20,248.01x = 30,372.73 × 5,457.29
  4. Step 4: Simplify right side
    20,248.01x = 165,752,630.19
  5. Step 5: Solve for x
    x = 165,752,630.19/20,248.01
  6. Step 6: Final answer
    x = 8,186.12

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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.