Home / 20,265.16-30,407.82-11,374.96

Finding the Fourth Proportional to 20,265.16, 30,407.82 and 11,374.96

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Solution

The fourth proportional to 20,265.16, 30,407.82 and 11,374.96 is: 17,068.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,265.16 : 30,407.82 = 11,374.96 : x
  2. Step 2: Convert to fraction form
    20,265.16/30,407.82 = 11,374.96/x
  3. Step 3: Cross multiply
    20,265.16x = 30,407.82 × 11,374.96
  4. Step 4: Simplify right side
    20,265.16x = 345,887,736.19
  5. Step 5: Solve for x
    x = 345,887,736.19/20,265.16
  6. Step 6: Final answer
    x = 17,068.10

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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.