Home / 15,546.18-21,431.08-10,758.83

Finding the Fourth Proportional to 15,546.18, 21,431.08 and 10,758.83

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Solution

The fourth proportional to 15,546.18, 21,431.08 and 10,758.83 is: 14,831.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,546.18 : 21,431.08 = 10,758.83 : x
  2. Step 2: Convert to fraction form
    15,546.18/21,431.08 = 10,758.83/x
  3. Step 3: Cross multiply
    15,546.18x = 21,431.08 × 10,758.83
  4. Step 4: Simplify right side
    15,546.18x = 230,573,252.73
  5. Step 5: Solve for x
    x = 230,573,252.73/15,546.18
  6. Step 6: Final answer
    x = 14,831.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.