Home / 18,273.72-25,218.90-10,313.04

Finding the Fourth Proportional to 18,273.72, 25,218.90 and 10,313.04

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Solution

The fourth proportional to 18,273.72, 25,218.90 and 10,313.04 is: 14,232.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.72 : 25,218.90 = 10,313.04 : x
  2. Step 2: Convert to fraction form
    18,273.72/25,218.90 = 10,313.04/x
  3. Step 3: Cross multiply
    18,273.72x = 25,218.90 × 10,313.04
  4. Step 4: Simplify right side
    18,273.72x = 260,083,524.46
  5. Step 5: Solve for x
    x = 260,083,524.46/18,273.72
  6. Step 6: Final answer
    x = 14,232.65

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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.