Home / 13,489.02-20,227.59-7,247.16

Finding the Fourth Proportional to 13,489.02, 20,227.59 and 7,247.16

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Solution

The fourth proportional to 13,489.02, 20,227.59 and 7,247.16 is: 10,867.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,489.02 : 20,227.59 = 7,247.16 : x
  2. Step 2: Convert to fraction form
    13,489.02/20,227.59 = 7,247.16/x
  3. Step 3: Cross multiply
    13,489.02x = 20,227.59 × 7,247.16
  4. Step 4: Simplify right side
    13,489.02x = 146,592,581.14
  5. Step 5: Solve for x
    x = 146,592,581.14/13,489.02
  6. Step 6: Final answer
    x = 10,867.55

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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.