Home / 15,019.20-22,530.51-4,489.81

Finding the Fourth Proportional to 15,019.20, 22,530.51 and 4,489.81

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Solution

The fourth proportional to 15,019.20, 22,530.51 and 4,489.81 is: 6,735.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019.20 : 22,530.51 = 4,489.81 : x
  2. Step 2: Convert to fraction form
    15,019.20/22,530.51 = 4,489.81/x
  3. Step 3: Cross multiply
    15,019.20x = 22,530.51 × 4,489.81
  4. Step 4: Simplify right side
    15,019.20x = 101,157,652.78
  5. Step 5: Solve for x
    x = 101,157,652.78/15,019.20
  6. Step 6: Final answer
    x = 6,735.22

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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.