Home / 10,447.55-15,675.33-6,290.53

Finding the Fourth Proportional to 10,447.55, 15,675.33 and 6,290.53

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Solution

The fourth proportional to 10,447.55, 15,675.33 and 6,290.53 is: 9,438.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,447.55 : 15,675.33 = 6,290.53 : x
  2. Step 2: Convert to fraction form
    10,447.55/15,675.33 = 6,290.53/x
  3. Step 3: Cross multiply
    10,447.55x = 15,675.33 × 6,290.53
  4. Step 4: Simplify right side
    10,447.55x = 98,606,153.22
  5. Step 5: Solve for x
    x = 98,606,153.22/10,447.55
  6. Step 6: Final answer
    x = 9,438.21

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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.