Home / 10,896.32-16,342.05-4,320.74

Finding the Fourth Proportional to 10,896.32, 16,342.05 and 4,320.74

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Solution

The fourth proportional to 10,896.32, 16,342.05 and 4,320.74 is: 6,480.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,896.32 : 16,342.05 = 4,320.74 : x
  2. Step 2: Convert to fraction form
    10,896.32/16,342.05 = 4,320.74/x
  3. Step 3: Cross multiply
    10,896.32x = 16,342.05 × 4,320.74
  4. Step 4: Simplify right side
    10,896.32x = 70,609,806.17
  5. Step 5: Solve for x
    x = 70,609,806.17/10,896.32
  6. Step 6: Final answer
    x = 6,480.15

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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.