Home / 15,964.07-22,030.44-8,891.89

Finding the Fourth Proportional to 15,964.07, 22,030.44 and 8,891.89

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Solution

The fourth proportional to 15,964.07, 22,030.44 and 8,891.89 is: 12,270.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,964.07 : 22,030.44 = 8,891.89 : x
  2. Step 2: Convert to fraction form
    15,964.07/22,030.44 = 8,891.89/x
  3. Step 3: Cross multiply
    15,964.07x = 22,030.44 × 8,891.89
  4. Step 4: Simplify right side
    15,964.07x = 195,892,249.13
  5. Step 5: Solve for x
    x = 195,892,249.13/15,964.07
  6. Step 6: Final answer
    x = 12,270.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.