Home / 20,809.62-31,210.56-6,014.88

Finding the Fourth Proportional to 20,809.62, 31,210.56 and 6,014.88

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Solution

The fourth proportional to 20,809.62, 31,210.56 and 6,014.88 is: 9,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,809.62 : 31,210.56 = 6,014.88 : x
  2. Step 2: Convert to fraction form
    20,809.62/31,210.56 = 6,014.88/x
  3. Step 3: Cross multiply
    20,809.62x = 31,210.56 × 6,014.88
  4. Step 4: Simplify right side
    20,809.62x = 187,727,773.13
  5. Step 5: Solve for x
    x = 187,727,773.13/20,809.62
  6. Step 6: Final answer
    x = 9,021.20

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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.