Home / 10,064.45-15,096.63-8,569.76

Finding the Fourth Proportional to 10,064.45, 15,096.63 and 8,569.76

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Solution

The fourth proportional to 10,064.45, 15,096.63 and 8,569.76 is: 12,854.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,064.45 : 15,096.63 = 8,569.76 : x
  2. Step 2: Convert to fraction form
    10,064.45/15,096.63 = 8,569.76/x
  3. Step 3: Cross multiply
    10,064.45x = 15,096.63 × 8,569.76
  4. Step 4: Simplify right side
    10,064.45x = 129,374,420.43
  5. Step 5: Solve for x
    x = 129,374,420.43/10,064.45
  6. Step 6: Final answer
    x = 12,854.59

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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.