Home / 10,275.78-15,401.99-4,348.97

Finding the Fourth Proportional to 10,275.78, 15,401.99 and 4,348.97

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Solution

The fourth proportional to 10,275.78, 15,401.99 and 4,348.97 is: 6,518.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.78 : 15,401.99 = 4,348.97 : x
  2. Step 2: Convert to fraction form
    10,275.78/15,401.99 = 4,348.97/x
  3. Step 3: Cross multiply
    10,275.78x = 15,401.99 × 4,348.97
  4. Step 4: Simplify right side
    10,275.78x = 66,982,693.70
  5. Step 5: Solve for x
    x = 66,982,693.70/10,275.78
  6. Step 6: Final answer
    x = 6,518.50

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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.