Home / 18,275.14-27,403.32-8,915.56

Finding the Fourth Proportional to 18,275.14, 27,403.32 and 8,915.56

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Solution

The fourth proportional to 18,275.14, 27,403.32 and 8,915.56 is: 13,368.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,275.14 : 27,403.32 = 8,915.56 : x
  2. Step 2: Convert to fraction form
    18,275.14/27,403.32 = 8,915.56/x
  3. Step 3: Cross multiply
    18,275.14x = 27,403.32 × 8,915.56
  4. Step 4: Simplify right side
    18,275.14x = 244,315,943.66
  5. Step 5: Solve for x
    x = 244,315,943.66/18,275.14
  6. Step 6: Final answer
    x = 13,368.76

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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.