Home / 10,478.40-15,694.38-6,084.96

Finding the Fourth Proportional to 10,478.40, 15,694.38 and 6,084.96

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Solution

The fourth proportional to 10,478.40, 15,694.38 and 6,084.96 is: 9,113.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,478.40 : 15,694.38 = 6,084.96 : x
  2. Step 2: Convert to fraction form
    10,478.40/15,694.38 = 6,084.96/x
  3. Step 3: Cross multiply
    10,478.40x = 15,694.38 × 6,084.96
  4. Step 4: Simplify right side
    10,478.40x = 95,499,674.52
  5. Step 5: Solve for x
    x = 95,499,674.52/10,478.40
  6. Step 6: Final answer
    x = 9,113.96

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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.