Home / 15,322.50-22,989.29-7,536.78

Finding the Fourth Proportional to 15,322.50, 22,989.29 and 7,536.78

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Solution

The fourth proportional to 15,322.50, 22,989.29 and 7,536.78 is: 11,307.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,322.50 : 22,989.29 = 7,536.78 : x
  2. Step 2: Convert to fraction form
    15,322.50/22,989.29 = 7,536.78/x
  3. Step 3: Cross multiply
    15,322.50x = 22,989.29 × 7,536.78
  4. Step 4: Simplify right side
    15,322.50x = 173,265,183.40
  5. Step 5: Solve for x
    x = 173,265,183.40/15,322.50
  6. Step 6: Final answer
    x = 11,307.89

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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.