Home / 10,309.32-15,464.25-4,767.30

Finding the Fourth Proportional to 10,309.32, 15,464.25 and 4,767.30

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Solution

The fourth proportional to 10,309.32, 15,464.25 and 4,767.30 is: 7,151.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,309.32 : 15,464.25 = 4,767.30 : x
  2. Step 2: Convert to fraction form
    10,309.32/15,464.25 = 4,767.30/x
  3. Step 3: Cross multiply
    10,309.32x = 15,464.25 × 4,767.30
  4. Step 4: Simplify right side
    10,309.32x = 73,722,719.03
  5. Step 5: Solve for x
    x = 73,722,719.03/10,309.32
  6. Step 6: Final answer
    x = 7,151.07

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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.