Home / 18,079.59-27,118.58-4,931.96

Finding the Fourth Proportional to 18,079.59, 27,118.58 and 4,931.96

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Solution

The fourth proportional to 18,079.59, 27,118.58 and 4,931.96 is: 7,397.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,079.59 : 27,118.58 = 4,931.96 : x
  2. Step 2: Convert to fraction form
    18,079.59/27,118.58 = 4,931.96/x
  3. Step 3: Cross multiply
    18,079.59x = 27,118.58 × 4,931.96
  4. Step 4: Simplify right side
    18,079.59x = 133,747,751.82
  5. Step 5: Solve for x
    x = 133,747,751.82/18,079.59
  6. Step 6: Final answer
    x = 7,397.72

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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.