Home / 15,945.12-23,939.55-10,127.70

Finding the Fourth Proportional to 15,945.12, 23,939.55 and 10,127.70

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Solution

The fourth proportional to 15,945.12, 23,939.55 and 10,127.70 is: 15,205.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945.12 : 23,939.55 = 10,127.70 : x
  2. Step 2: Convert to fraction form
    15,945.12/23,939.55 = 10,127.70/x
  3. Step 3: Cross multiply
    15,945.12x = 23,939.55 × 10,127.70
  4. Step 4: Simplify right side
    15,945.12x = 242,452,580.54
  5. Step 5: Solve for x
    x = 242,452,580.54/15,945.12
  6. Step 6: Final answer
    x = 15,205.44

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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.