Home / 11,439.05-17,159.18-3,647.25

Finding the Fourth Proportional to 11,439.05, 17,159.18 and 3,647.25

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Solution

The fourth proportional to 11,439.05, 17,159.18 and 3,647.25 is: 5,471.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,439.05 : 17,159.18 = 3,647.25 : x
  2. Step 2: Convert to fraction form
    11,439.05/17,159.18 = 3,647.25/x
  3. Step 3: Cross multiply
    11,439.05x = 17,159.18 × 3,647.25
  4. Step 4: Simplify right side
    11,439.05x = 62,583,801.02
  5. Step 5: Solve for x
    x = 62,583,801.02/11,439.05
  6. Step 6: Final answer
    x = 5,471.07

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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.