Home / 15,728.01-21,704.52-8,923.33

Finding the Fourth Proportional to 15,728.01, 21,704.52 and 8,923.33

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Solution

The fourth proportional to 15,728.01, 21,704.52 and 8,923.33 is: 12,314.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,728.01 : 21,704.52 = 8,923.33 : x
  2. Step 2: Convert to fraction form
    15,728.01/21,704.52 = 8,923.33/x
  3. Step 3: Cross multiply
    15,728.01x = 21,704.52 × 8,923.33
  4. Step 4: Simplify right side
    15,728.01x = 193,676,594.45
  5. Step 5: Solve for x
    x = 193,676,594.45/15,728.01
  6. Step 6: Final answer
    x = 12,314.12

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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.