Home / 15,979.56-22,052.76-8,809.44

Finding the Fourth Proportional to 15,979.56, 22,052.76 and 8,809.44

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Solution

The fourth proportional to 15,979.56, 22,052.76 and 8,809.44 is: 12,157.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,979.56 : 22,052.76 = 8,809.44 : x
  2. Step 2: Convert to fraction form
    15,979.56/22,052.76 = 8,809.44/x
  3. Step 3: Cross multiply
    15,979.56x = 22,052.76 × 8,809.44
  4. Step 4: Simplify right side
    15,979.56x = 194,272,466.05
  5. Step 5: Solve for x
    x = 194,272,466.05/15,979.56
  6. Step 6: Final answer
    x = 12,157.56

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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.