Home / 15,996.79-22,077.15-11,956.61

Finding the Fourth Proportional to 15,996.79, 22,077.15 and 11,956.61

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Solution

The fourth proportional to 15,996.79, 22,077.15 and 11,956.61 is: 16,501.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,996.79 : 22,077.15 = 11,956.61 : x
  2. Step 2: Convert to fraction form
    15,996.79/22,077.15 = 11,956.61/x
  3. Step 3: Cross multiply
    15,996.79x = 22,077.15 × 11,956.61
  4. Step 4: Simplify right side
    15,996.79x = 263,967,927.65
  5. Step 5: Solve for x
    x = 263,967,927.65/15,996.79
  6. Step 6: Final answer
    x = 16,501.31

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1.5x scale

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.