Home / 18,733.38-25,857.45-12,364.62

Finding the Fourth Proportional to 18,733.38, 25,857.45 and 12,364.62

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Solution

The fourth proportional to 18,733.38, 25,857.45 and 12,364.62 is: 17,066.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,733.38 : 25,857.45 = 12,364.62 : x
  2. Step 2: Convert to fraction form
    18,733.38/25,857.45 = 12,364.62/x
  3. Step 3: Cross multiply
    18,733.38x = 25,857.45 × 12,364.62
  4. Step 4: Simplify right side
    18,733.38x = 319,717,543.42
  5. Step 5: Solve for x
    x = 319,717,543.42/18,733.38
  6. Step 6: Final answer
    x = 17,066.73

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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.