Home / 15,938.72-23,907.78-5,550.20

Finding the Fourth Proportional to 15,938.72, 23,907.78 and 5,550.20

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Solution

The fourth proportional to 15,938.72, 23,907.78 and 5,550.20 is: 8,325.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,938.72 : 23,907.78 = 5,550.20 : x
  2. Step 2: Convert to fraction form
    15,938.72/23,907.78 = 5,550.20/x
  3. Step 3: Cross multiply
    15,938.72x = 23,907.78 × 5,550.20
  4. Step 4: Simplify right side
    15,938.72x = 132,692,841.02
  5. Step 5: Solve for x
    x = 132,692,841.02/15,938.72
  6. Step 6: Final answer
    x = 8,325.19

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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.