Home / 15,433.56-23,151.36-7,640.28

Finding the Fourth Proportional to 15,433.56, 23,151.36 and 7,640.28

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Solution

The fourth proportional to 15,433.56, 23,151.36 and 7,640.28 is: 11,460.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,433.56 : 23,151.36 = 7,640.28 : x
  2. Step 2: Convert to fraction form
    15,433.56/23,151.36 = 7,640.28/x
  3. Step 3: Cross multiply
    15,433.56x = 23,151.36 × 7,640.28
  4. Step 4: Simplify right side
    15,433.56x = 176,882,872.78
  5. Step 5: Solve for x
    x = 176,882,872.78/15,433.56
  6. Step 6: Final answer
    x = 11,460.92

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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.