Home / 15,247.11-21,040.88-8,532.66

Finding the Fourth Proportional to 15,247.11, 21,040.88 and 8,532.66

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Solution

The fourth proportional to 15,247.11, 21,040.88 and 8,532.66 is: 11,774.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247.11 : 21,040.88 = 8,532.66 : x
  2. Step 2: Convert to fraction form
    15,247.11/21,040.88 = 8,532.66/x
  3. Step 3: Cross multiply
    15,247.11x = 21,040.88 × 8,532.66
  4. Step 4: Simplify right side
    15,247.11x = 179,534,632.48
  5. Step 5: Solve for x
    x = 179,534,632.48/15,247.11
  6. Step 6: Final answer
    x = 11,774.99

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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.