Home / 18,417.60-27,571.68-11,823.84

Finding the Fourth Proportional to 18,417.60, 27,571.68 and 11,823.84

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Solution

The fourth proportional to 18,417.60, 27,571.68 and 11,823.84 is: 17,700.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,417.60 : 27,571.68 = 11,823.84 : x
  2. Step 2: Convert to fraction form
    18,417.60/27,571.68 = 11,823.84/x
  3. Step 3: Cross multiply
    18,417.60x = 27,571.68 × 11,823.84
  4. Step 4: Simplify right side
    18,417.60x = 326,003,132.85
  5. Step 5: Solve for x
    x = 326,003,132.85/18,417.60
  6. Step 6: Final answer
    x = 17,700.63

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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.