Home / 22,777.89-34,167.06-7,987.17

Finding the Fourth Proportional to 22,777.89, 34,167.06 and 7,987.17

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Solution

The fourth proportional to 22,777.89, 34,167.06 and 7,987.17 is: 11,980.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,777.89 : 34,167.06 = 7,987.17 : x
  2. Step 2: Convert to fraction form
    22,777.89/34,167.06 = 7,987.17/x
  3. Step 3: Cross multiply
    22,777.89x = 34,167.06 × 7,987.17
  4. Step 4: Simplify right side
    22,777.89x = 272,898,116.62
  5. Step 5: Solve for x
    x = 272,898,116.62/22,777.89
  6. Step 6: Final answer
    x = 11,980.83

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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.