Home / 15,171.26-22,755.06-6,405.04

Finding the Fourth Proportional to 15,171.26, 22,755.06 and 6,405.04

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Solution

The fourth proportional to 15,171.26, 22,755.06 and 6,405.04 is: 9,606.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,171.26 : 22,755.06 = 6,405.04 : x
  2. Step 2: Convert to fraction form
    15,171.26/22,755.06 = 6,405.04/x
  3. Step 3: Cross multiply
    15,171.26x = 22,755.06 × 6,405.04
  4. Step 4: Simplify right side
    15,171.26x = 145,747,069.50
  5. Step 5: Solve for x
    x = 145,747,069.50/15,171.26
  6. Step 6: Final answer
    x = 9,606.79

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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.