Home / 10,530.98-15,806.04-5,604.78

Finding the Fourth Proportional to 10,530.98, 15,806.04 and 5,604.78

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Solution

The fourth proportional to 10,530.98, 15,806.04 and 5,604.78 is: 8,412.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.98 : 15,806.04 = 5,604.78 : x
  2. Step 2: Convert to fraction form
    10,530.98/15,806.04 = 5,604.78/x
  3. Step 3: Cross multiply
    10,530.98x = 15,806.04 × 5,604.78
  4. Step 4: Simplify right side
    10,530.98x = 88,589,376.87
  5. Step 5: Solve for x
    x = 88,589,376.87/10,530.98
  6. Step 6: Final answer
    x = 8,412.26

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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.