Home / 10,642.64-15,963.28-4,401.03

Finding the Fourth Proportional to 10,642.64, 15,963.28 and 4,401.03

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Solution

The fourth proportional to 10,642.64, 15,963.28 and 4,401.03 is: 6,601.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,642.64 : 15,963.28 = 4,401.03 : x
  2. Step 2: Convert to fraction form
    10,642.64/15,963.28 = 4,401.03/x
  3. Step 3: Cross multiply
    10,642.64x = 15,963.28 × 4,401.03
  4. Step 4: Simplify right side
    10,642.64x = 70,254,923.04
  5. Step 5: Solve for x
    x = 70,254,923.04/10,642.64
  6. Step 6: Final answer
    x = 6,601.27

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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.