Home / 18,097.36-27,151.86-8,613.70

Finding the Fourth Proportional to 18,097.36, 27,151.86 and 8,613.70

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Solution

The fourth proportional to 18,097.36, 27,151.86 and 8,613.70 is: 12,923.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,097.36 : 27,151.86 = 8,613.70 : x
  2. Step 2: Convert to fraction form
    18,097.36/27,151.86 = 8,613.70/x
  3. Step 3: Cross multiply
    18,097.36x = 27,151.86 × 8,613.70
  4. Step 4: Simplify right side
    18,097.36x = 233,877,976.48
  5. Step 5: Solve for x
    x = 233,877,976.48/18,097.36
  6. Step 6: Final answer
    x = 12,923.32

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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.