Home / 16,728.38-23,100.78-10,770.40

Finding the Fourth Proportional to 16,728.38, 23,100.78 and 10,770.40

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Solution

The fourth proportional to 16,728.38, 23,100.78 and 10,770.40 is: 14,873.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,728.38 : 23,100.78 = 10,770.40 : x
  2. Step 2: Convert to fraction form
    16,728.38/23,100.78 = 10,770.40/x
  3. Step 3: Cross multiply
    16,728.38x = 23,100.78 × 10,770.40
  4. Step 4: Simplify right side
    16,728.38x = 248,804,640.91
  5. Step 5: Solve for x
    x = 248,804,640.91/16,728.38
  6. Step 6: Final answer
    x = 14,873.21

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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.