Home / 20,867.46-31,301.25-6,076.74

Finding the Fourth Proportional to 20,867.46, 31,301.25 and 6,076.74

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Solution

The fourth proportional to 20,867.46, 31,301.25 and 6,076.74 is: 9,115.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,867.46 : 31,301.25 = 6,076.74 : x
  2. Step 2: Convert to fraction form
    20,867.46/31,301.25 = 6,076.74/x
  3. Step 3: Cross multiply
    20,867.46x = 31,301.25 × 6,076.74
  4. Step 4: Simplify right side
    20,867.46x = 190,209,636.18
  5. Step 5: Solve for x
    x = 190,209,636.18/20,867.46
  6. Step 6: Final answer
    x = 9,115.13

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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.