Home / 18,417.22-27,673.35-15,306.82

Finding the Fourth Proportional to 18,417.22, 27,673.35 and 15,306.82

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Solution

The fourth proportional to 18,417.22, 27,673.35 and 15,306.82 is: 22,999.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,417.22 : 27,673.35 = 15,306.82 : x
  2. Step 2: Convert to fraction form
    18,417.22/27,673.35 = 15,306.82/x
  3. Step 3: Cross multiply
    18,417.22x = 27,673.35 × 15,306.82
  4. Step 4: Simplify right side
    18,417.22x = 423,590,987.25
  5. Step 5: Solve for x
    x = 423,590,987.25/18,417.22
  6. Step 6: Final answer
    x = 22,999.72

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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.