Home / 18,424.09-27,613.02-7,881.73

Finding the Fourth Proportional to 18,424.09, 27,613.02 and 7,881.73

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Solution

The fourth proportional to 18,424.09, 27,613.02 and 7,881.73 is: 11,812.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424.09 : 27,613.02 = 7,881.73 : x
  2. Step 2: Convert to fraction form
    18,424.09/27,613.02 = 7,881.73/x
  3. Step 3: Cross multiply
    18,424.09x = 27,613.02 × 7,881.73
  4. Step 4: Simplify right side
    18,424.09x = 217,638,368.12
  5. Step 5: Solve for x
    x = 217,638,368.12/18,424.09
  6. Step 6: Final answer
    x = 11,812.71

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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.