Home / 10,406.78-15,595.20-4,482.04

Finding the Fourth Proportional to 10,406.78, 15,595.20 and 4,482.04

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Solution

The fourth proportional to 10,406.78, 15,595.20 and 4,482.04 is: 6,716.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,406.78 : 15,595.20 = 4,482.04 : x
  2. Step 2: Convert to fraction form
    10,406.78/15,595.20 = 4,482.04/x
  3. Step 3: Cross multiply
    10,406.78x = 15,595.20 × 4,482.04
  4. Step 4: Simplify right side
    10,406.78x = 69,898,310.21
  5. Step 5: Solve for x
    x = 69,898,310.21/10,406.78
  6. Step 6: Final answer
    x = 6,716.61

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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.