Home / 18,272.96-25,218.18-10,315.82

Finding the Fourth Proportional to 18,272.96, 25,218.18 and 10,315.82

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Solution

The fourth proportional to 18,272.96, 25,218.18 and 10,315.82 is: 14,236.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,272.96 : 25,218.18 = 10,315.82 : x
  2. Step 2: Convert to fraction form
    18,272.96/25,218.18 = 10,315.82/x
  3. Step 3: Cross multiply
    18,272.96x = 25,218.18 × 10,315.82
  4. Step 4: Simplify right side
    18,272.96x = 260,146,205.61
  5. Step 5: Solve for x
    x = 260,146,205.61/18,272.96
  6. Step 6: Final answer
    x = 14,236.68

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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.