Home / 15,555.88-23,329.48-5,167.72

Finding the Fourth Proportional to 15,555.88, 23,329.48 and 5,167.72

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Solution

The fourth proportional to 15,555.88, 23,329.48 and 5,167.72 is: 7,750.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,555.88 : 23,329.48 = 5,167.72 : x
  2. Step 2: Convert to fraction form
    15,555.88/23,329.48 = 5,167.72/x
  3. Step 3: Cross multiply
    15,555.88x = 23,329.48 × 5,167.72
  4. Step 4: Simplify right side
    15,555.88x = 120,560,220.39
  5. Step 5: Solve for x
    x = 120,560,220.39/15,555.88
  6. Step 6: Final answer
    x = 7,750.14

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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.