Home / 15,433.53-23,151.39-7,640.25

Finding the Fourth Proportional to 15,433.53, 23,151.39 and 7,640.25

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Solution

The fourth proportional to 15,433.53, 23,151.39 and 7,640.25 is: 11,460.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,433.53 : 23,151.39 = 7,640.25 : x
  2. Step 2: Convert to fraction form
    15,433.53/23,151.39 = 7,640.25/x
  3. Step 3: Cross multiply
    15,433.53x = 23,151.39 × 7,640.25
  4. Step 4: Simplify right side
    15,433.53x = 176,882,407.45
  5. Step 5: Solve for x
    x = 176,882,407.45/15,433.53
  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.