Home / 15,964.86-22,029.93-8,891.94

Finding the Fourth Proportional to 15,964.86, 22,029.93 and 8,891.94

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Solution

The fourth proportional to 15,964.86, 22,029.93 and 8,891.94 is: 12,270.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,964.86 : 22,029.93 = 8,891.94 : x
  2. Step 2: Convert to fraction form
    15,964.86/22,029.93 = 8,891.94/x
  3. Step 3: Cross multiply
    15,964.86x = 22,029.93 × 8,891.94
  4. Step 4: Simplify right side
    15,964.86x = 195,888,815.76
  5. Step 5: Solve for x
    x = 195,888,815.76/15,964.86
  6. Step 6: Final answer
    x = 12,270.00

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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.