Home / 15,916.68-21,964.86-8,842.95

Finding the Fourth Proportional to 15,916.68, 21,964.86 and 8,842.95

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Solution

The fourth proportional to 15,916.68, 21,964.86 and 8,842.95 is: 12,203.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,916.68 : 21,964.86 = 8,842.95 : x
  2. Step 2: Convert to fraction form
    15,916.68/21,964.86 = 8,842.95/x
  3. Step 3: Cross multiply
    15,916.68x = 21,964.86 × 8,842.95
  4. Step 4: Simplify right side
    15,916.68x = 194,234,158.74
  5. Step 5: Solve for x
    x = 194,234,158.74/15,916.68
  6. Step 6: Final answer
    x = 12,203.18

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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.