Home / 10,443.28-15,655.32-4,516.46

Finding the Fourth Proportional to 10,443.28, 15,655.32 and 4,516.46

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Solution

The fourth proportional to 10,443.28, 15,655.32 and 4,516.46 is: 6,770.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,443.28 : 15,655.32 = 4,516.46 : x
  2. Step 2: Convert to fraction form
    10,443.28/15,655.32 = 4,516.46/x
  3. Step 3: Cross multiply
    10,443.28x = 15,655.32 × 4,516.46
  4. Step 4: Simplify right side
    10,443.28x = 70,706,626.57
  5. Step 5: Solve for x
    x = 70,706,626.57/10,443.28
  6. Step 6: Final answer
    x = 6,770.54

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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.