Home / 10,401.16-15,603.78-3,382.96

Finding the Fourth Proportional to 10,401.16, 15,603.78 and 3,382.96

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Solution

The fourth proportional to 10,401.16, 15,603.78 and 3,382.96 is: 5,075.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,401.16 : 15,603.78 = 3,382.96 : x
  2. Step 2: Convert to fraction form
    10,401.16/15,603.78 = 3,382.96/x
  3. Step 3: Cross multiply
    10,401.16x = 15,603.78 × 3,382.96
  4. Step 4: Simplify right side
    10,401.16x = 52,786,963.59
  5. Step 5: Solve for x
    x = 52,786,963.59/10,401.16
  6. Step 6: Final answer
    x = 5,075.10

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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.