Home / 15,771.13-21,763.17-9,052.03

Finding the Fourth Proportional to 15,771.13, 21,763.17 and 9,052.03

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Solution

The fourth proportional to 15,771.13, 21,763.17 and 9,052.03 is: 12,491.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,771.13 : 21,763.17 = 9,052.03 : x
  2. Step 2: Convert to fraction form
    15,771.13/21,763.17 = 9,052.03/x
  3. Step 3: Cross multiply
    15,771.13x = 21,763.17 × 9,052.03
  4. Step 4: Simplify right side
    15,771.13x = 197,000,867.74
  5. Step 5: Solve for x
    x = 197,000,867.74/15,771.13
  6. Step 6: Final answer
    x = 12,491.23

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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.