Home / 10,382.22-15,580.83-4,138.62

Finding the Fourth Proportional to 10,382.22, 15,580.83 and 4,138.62

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Solution

The fourth proportional to 10,382.22, 15,580.83 and 4,138.62 is: 6,210.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.22 : 15,580.83 = 4,138.62 : x
  2. Step 2: Convert to fraction form
    10,382.22/15,580.83 = 4,138.62/x
  3. Step 3: Cross multiply
    10,382.22x = 15,580.83 × 4,138.62
  4. Step 4: Simplify right side
    10,382.22x = 64,483,134.65
  5. Step 5: Solve for x
    x = 64,483,134.65/10,382.22
  6. Step 6: Final answer
    x = 6,210.92

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1.5x scale

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.