Home / 15,939.13-23,907.47-5,550.88

Finding the Fourth Proportional to 15,939.13, 23,907.47 and 5,550.88

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Solution

The fourth proportional to 15,939.13, 23,907.47 and 5,550.88 is: 8,325.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,939.13 : 23,907.47 = 5,550.88 : x
  2. Step 2: Convert to fraction form
    15,939.13/23,907.47 = 5,550.88/x
  3. Step 3: Cross multiply
    15,939.13x = 23,907.47 × 5,550.88
  4. Step 4: Simplify right side
    15,939.13x = 132,707,451.18
  5. Step 5: Solve for x
    x = 132,707,451.18/15,939.13
  6. Step 6: Final answer
    x = 8,325.89

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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.