Home / 17,860.13-26,784.73-12,348.89

Finding the Fourth Proportional to 17,860.13, 26,784.73 and 12,348.89

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Solution

The fourth proportional to 17,860.13, 26,784.73 and 12,348.89 is: 18,519.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,860.13 : 26,784.73 = 12,348.89 : x
  2. Step 2: Convert to fraction form
    17,860.13/26,784.73 = 12,348.89/x
  3. Step 3: Cross multiply
    17,860.13x = 26,784.73 × 12,348.89
  4. Step 4: Simplify right side
    17,860.13x = 330,761,622.71
  5. Step 5: Solve for x
    x = 330,761,622.71/17,860.13
  6. Step 6: Final answer
    x = 18,519.55

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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.