Home / 10,582.66-15,869.46-4,338.34

Finding the Fourth Proportional to 10,582.66, 15,869.46 and 4,338.34

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Solution

The fourth proportional to 10,582.66, 15,869.46 and 4,338.34 is: 6,505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,582.66 : 15,869.46 = 4,338.34 : x
  2. Step 2: Convert to fraction form
    10,582.66/15,869.46 = 4,338.34/x
  3. Step 3: Cross multiply
    10,582.66x = 15,869.46 × 4,338.34
  4. Step 4: Simplify right side
    10,582.66x = 68,847,113.10
  5. Step 5: Solve for x
    x = 68,847,113.10/10,582.66
  6. Step 6: Final answer
    x = 6,505.65

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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.