Home / 10,569.24-15,841.88-8,211.74

Finding the Fourth Proportional to 10,569.24, 15,841.88 and 8,211.74

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Solution

The fourth proportional to 10,569.24, 15,841.88 and 8,211.74 is: 12,308.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,569.24 : 15,841.88 = 8,211.74 : x
  2. Step 2: Convert to fraction form
    10,569.24/15,841.88 = 8,211.74/x
  3. Step 3: Cross multiply
    10,569.24x = 15,841.88 × 8,211.74
  4. Step 4: Simplify right side
    10,569.24x = 130,089,399.67
  5. Step 5: Solve for x
    x = 130,089,399.67/10,569.24
  6. Step 6: Final answer
    x = 12,308.30

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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.