Home / 18,305.93-25,262.31-9,922.43

Finding the Fourth Proportional to 18,305.93, 25,262.31 and 9,922.43

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Solution

The fourth proportional to 18,305.93, 25,262.31 and 9,922.43 is: 13,693.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,305.93 : 25,262.31 = 9,922.43 : x
  2. Step 2: Convert to fraction form
    18,305.93/25,262.31 = 9,922.43/x
  3. Step 3: Cross multiply
    18,305.93x = 25,262.31 × 9,922.43
  4. Step 4: Simplify right side
    18,305.93x = 250,663,376.30
  5. Step 5: Solve for x
    x = 250,663,376.30/18,305.93
  6. Step 6: Final answer
    x = 13,693.02

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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.