Home / 18,310.86-25,268.31-9,927.18

Finding the Fourth Proportional to 18,310.86, 25,268.31 and 9,927.18

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Solution

The fourth proportional to 18,310.86, 25,268.31 and 9,927.18 is: 13,699.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,310.86 : 25,268.31 = 9,927.18 : x
  2. Step 2: Convert to fraction form
    18,310.86/25,268.31 = 9,927.18/x
  3. Step 3: Cross multiply
    18,310.86x = 25,268.31 × 9,927.18
  4. Step 4: Simplify right side
    18,310.86x = 250,843,061.67
  5. Step 5: Solve for x
    x = 250,843,061.67/18,310.86
  6. Step 6: Final answer
    x = 13,699.14

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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.