Home / 10,374.65-15,555.69-4,135.61

Finding the Fourth Proportional to 10,374.65, 15,555.69 and 4,135.61

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Solution

The fourth proportional to 10,374.65, 15,555.69 and 4,135.61 is: 6,200.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,374.65 : 15,555.69 = 4,135.61 : x
  2. Step 2: Convert to fraction form
    10,374.65/15,555.69 = 4,135.61/x
  3. Step 3: Cross multiply
    10,374.65x = 15,555.69 × 4,135.61
  4. Step 4: Simplify right side
    10,374.65x = 64,332,267.12
  5. Step 5: Solve for x
    x = 64,332,267.12/10,374.65
  6. Step 6: Final answer
    x = 6,200.91

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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.