Home / 15,546.78-23,320.29-5,686.38

Finding the Fourth Proportional to 15,546.78, 23,320.29 and 5,686.38

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Solution

The fourth proportional to 15,546.78, 23,320.29 and 5,686.38 is: 8,529.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,546.78 : 23,320.29 = 5,686.38 : x
  2. Step 2: Convert to fraction form
    15,546.78/23,320.29 = 5,686.38/x
  3. Step 3: Cross multiply
    15,546.78x = 23,320.29 × 5,686.38
  4. Step 4: Simplify right side
    15,546.78x = 132,608,030.65
  5. Step 5: Solve for x
    x = 132,608,030.65/15,546.78
  6. Step 6: Final answer
    x = 8,529.61

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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.