Home / 10,396.76-15,580.40-8,045.82

Finding the Fourth Proportional to 10,396.76, 15,580.40 and 8,045.82

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Solution

The fourth proportional to 10,396.76, 15,580.40 and 8,045.82 is: 12,057.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,396.76 : 15,580.40 = 8,045.82 : x
  2. Step 2: Convert to fraction form
    10,396.76/15,580.40 = 8,045.82/x
  3. Step 3: Cross multiply
    10,396.76x = 15,580.40 × 8,045.82
  4. Step 4: Simplify right side
    10,396.76x = 125,357,026.54
  5. Step 5: Solve for x
    x = 125,357,026.54/10,396.76
  6. Step 6: Final answer
    x = 12,057.32

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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.