Home / 15,344.76-23,019.30-5,485.68

Finding the Fourth Proportional to 15,344.76, 23,019.30 and 5,485.68

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Solution

The fourth proportional to 15,344.76, 23,019.30 and 5,485.68 is: 8,229.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,344.76 : 23,019.30 = 5,485.68 : x
  2. Step 2: Convert to fraction form
    15,344.76/23,019.30 = 5,485.68/x
  3. Step 3: Cross multiply
    15,344.76x = 23,019.30 × 5,485.68
  4. Step 4: Simplify right side
    15,344.76x = 126,276,513.62
  5. Step 5: Solve for x
    x = 126,276,513.62/15,344.76
  6. Step 6: Final answer
    x = 8,229.29

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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.