Home / 10,253.50-15,382.28-3,680.17

Finding the Fourth Proportional to 10,253.50, 15,382.28 and 3,680.17

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Solution

The fourth proportional to 10,253.50, 15,382.28 and 3,680.17 is: 5,520.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253.50 : 15,382.28 = 3,680.17 : x
  2. Step 2: Convert to fraction form
    10,253.50/15,382.28 = 3,680.17/x
  3. Step 3: Cross multiply
    10,253.50x = 15,382.28 × 3,680.17
  4. Step 4: Simplify right side
    10,253.50x = 56,609,386.99
  5. Step 5: Solve for x
    x = 56,609,386.99/10,253.50
  6. Step 6: Final answer
    x = 5,520.98

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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.