Home / 20,387.64-30,575.92-5,593.06

Finding the Fourth Proportional to 20,387.64, 30,575.92 and 5,593.06

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Solution

The fourth proportional to 20,387.64, 30,575.92 and 5,593.06 is: 8,388.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,387.64 : 30,575.92 = 5,593.06 : x
  2. Step 2: Convert to fraction form
    20,387.64/30,575.92 = 5,593.06/x
  3. Step 3: Cross multiply
    20,387.64x = 30,575.92 × 5,593.06
  4. Step 4: Simplify right side
    20,387.64x = 171,012,955.12
  5. Step 5: Solve for x
    x = 171,012,955.12/20,387.64
  6. Step 6: Final answer
    x = 8,388.07

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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.