Home / 10,106.40-15,147.72-4,553.28

Finding the Fourth Proportional to 10,106.40, 15,147.72 and 4,553.28

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Solution

The fourth proportional to 10,106.40, 15,147.72 and 4,553.28 is: 6,824.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.40 : 15,147.72 = 4,553.28 : x
  2. Step 2: Convert to fraction form
    10,106.40/15,147.72 = 4,553.28/x
  3. Step 3: Cross multiply
    10,106.40x = 15,147.72 × 4,553.28
  4. Step 4: Simplify right side
    10,106.40x = 68,971,810.52
  5. Step 5: Solve for x
    x = 68,971,810.52/10,106.40
  6. Step 6: Final answer
    x = 6,824.57

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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.