Home / 18,165.32-27,254.46-10,380.68

Finding the Fourth Proportional to 18,165.32, 27,254.46 and 10,380.68

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Solution

The fourth proportional to 18,165.32, 27,254.46 and 10,380.68 is: 15,574.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,165.32 : 27,254.46 = 10,380.68 : x
  2. Step 2: Convert to fraction form
    18,165.32/27,254.46 = 10,380.68/x
  3. Step 3: Cross multiply
    18,165.32x = 27,254.46 × 10,380.68
  4. Step 4: Simplify right side
    18,165.32x = 282,919,827.83
  5. Step 5: Solve for x
    x = 282,919,827.83/18,165.32
  6. Step 6: Final answer
    x = 15,574.72

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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.