Home / 10,240.76-15,370.29-5,246.53

Finding the Fourth Proportional to 10,240.76, 15,370.29 and 5,246.53

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Solution

The fourth proportional to 10,240.76, 15,370.29 and 5,246.53 is: 7,874.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.76 : 15,370.29 = 5,246.53 : x
  2. Step 2: Convert to fraction form
    10,240.76/15,370.29 = 5,246.53/x
  3. Step 3: Cross multiply
    10,240.76x = 15,370.29 × 5,246.53
  4. Step 4: Simplify right side
    10,240.76x = 80,640,696.97
  5. Step 5: Solve for x
    x = 80,640,696.97/10,240.76
  6. Step 6: Final answer
    x = 7,874.49

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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.