Home / 20,849.16-31,277.76-9,002.92

Finding the Fourth Proportional to 20,849.16, 31,277.76 and 9,002.92

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Solution

The fourth proportional to 20,849.16, 31,277.76 and 9,002.92 is: 13,506.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,849.16 : 31,277.76 = 9,002.92 : x
  2. Step 2: Convert to fraction form
    20,849.16/31,277.76 = 9,002.92/x
  3. Step 3: Cross multiply
    20,849.16x = 31,277.76 × 9,002.92
  4. Step 4: Simplify right side
    20,849.16x = 281,591,171.06
  5. Step 5: Solve for x
    x = 281,591,171.06/20,849.16
  6. Step 6: Final answer
    x = 13,506.12

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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.