Home / 14,515.06-20,002.70-9,791.14

Finding the Fourth Proportional to 14,515.06, 20,002.70 and 9,791.14

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Solution

The fourth proportional to 14,515.06, 20,002.70 and 9,791.14 is: 13,492.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.06 : 20,002.70 = 9,791.14 : x
  2. Step 2: Convert to fraction form
    14,515.06/20,002.70 = 9,791.14/x
  3. Step 3: Cross multiply
    14,515.06x = 20,002.70 × 9,791.14
  4. Step 4: Simplify right side
    14,515.06x = 195,849,236.08
  5. Step 5: Solve for x
    x = 195,849,236.08/14,515.06
  6. Step 6: Final answer
    x = 13,492.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.