Home / 10,278.74-15,403.34-5,839.94

Finding the Fourth Proportional to 10,278.74, 15,403.34 and 5,839.94

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Solution

The fourth proportional to 10,278.74, 15,403.34 and 5,839.94 is: 8,751.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.74 : 15,403.34 = 5,839.94 : x
  2. Step 2: Convert to fraction form
    10,278.74/15,403.34 = 5,839.94/x
  3. Step 3: Cross multiply
    10,278.74x = 15,403.34 × 5,839.94
  4. Step 4: Simplify right side
    10,278.74x = 89,954,504.38
  5. Step 5: Solve for x
    x = 89,954,504.38/10,278.74
  6. Step 6: Final answer
    x = 8,751.52

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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.