Home / 20,598.24-28,425.62-11,166.78

Finding the Fourth Proportional to 20,598.24, 28,425.62 and 11,166.78

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Solution

The fourth proportional to 20,598.24, 28,425.62 and 11,166.78 is: 15,410.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,598.24 : 28,425.62 = 11,166.78 : x
  2. Step 2: Convert to fraction form
    20,598.24/28,425.62 = 11,166.78/x
  3. Step 3: Cross multiply
    20,598.24x = 28,425.62 × 11,166.78
  4. Step 4: Simplify right side
    20,598.24x = 317,422,644.90
  5. Step 5: Solve for x
    x = 317,422,644.90/20,598.24
  6. Step 6: Final answer
    x = 15,410.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.