Home / 11,475.32-17,210.75-3,153.20

Finding the Fourth Proportional to 11,475.32, 17,210.75 and 3,153.20

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Solution

The fourth proportional to 11,475.32, 17,210.75 and 3,153.20 is: 4,729.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,475.32 : 17,210.75 = 3,153.20 : x
  2. Step 2: Convert to fraction form
    11,475.32/17,210.75 = 3,153.20/x
  3. Step 3: Cross multiply
    11,475.32x = 17,210.75 × 3,153.20
  4. Step 4: Simplify right side
    11,475.32x = 54,268,835.08
  5. Step 5: Solve for x
    x = 54,268,835.08/11,475.32
  6. Step 6: Final answer
    x = 4,729.18

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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.