Home / 15,449.28-23,156.07-7,111.82

Finding the Fourth Proportional to 15,449.28, 23,156.07 and 7,111.82

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Solution

The fourth proportional to 15,449.28, 23,156.07 and 7,111.82 is: 10,659.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,449.28 : 23,156.07 = 7,111.82 : x
  2. Step 2: Convert to fraction form
    15,449.28/23,156.07 = 7,111.82/x
  3. Step 3: Cross multiply
    15,449.28x = 23,156.07 × 7,111.82
  4. Step 4: Simplify right side
    15,449.28x = 164,681,685.97
  5. Step 5: Solve for x
    x = 164,681,685.97/15,449.28
  6. Step 6: Final answer
    x = 10,659.51

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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.