Home / 20,616.62-30,907.60-14,358.15

Finding the Fourth Proportional to 20,616.62, 30,907.60 and 14,358.15

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Solution

The fourth proportional to 20,616.62, 30,907.60 and 14,358.15 is: 21,525.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,616.62 : 30,907.60 = 14,358.15 : x
  2. Step 2: Convert to fraction form
    20,616.62/30,907.60 = 14,358.15/x
  3. Step 3: Cross multiply
    20,616.62x = 30,907.60 × 14,358.15
  4. Step 4: Simplify right side
    20,616.62x = 443,775,921.04
  5. Step 5: Solve for x
    x = 443,775,921.04/20,616.62
  6. Step 6: Final answer
    x = 21,525.16

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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.