Home / 18,313.76-25,273.02-9,930.26

Finding the Fourth Proportional to 18,313.76, 25,273.02 and 9,930.26

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Solution

The fourth proportional to 18,313.76, 25,273.02 and 9,930.26 is: 13,703.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.76 : 25,273.02 = 9,930.26 : x
  2. Step 2: Convert to fraction form
    18,313.76/25,273.02 = 9,930.26/x
  3. Step 3: Cross multiply
    18,313.76x = 25,273.02 × 9,930.26
  4. Step 4: Simplify right side
    18,313.76x = 250,967,659.59
  5. Step 5: Solve for x
    x = 250,967,659.59/18,313.76
  6. Step 6: Final answer
    x = 13,703.78

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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.