Home / 10,987.32-15,162.44-5,951.63

Finding the Fourth Proportional to 10,987.32, 15,162.44 and 5,951.63

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Solution

The fourth proportional to 10,987.32, 15,162.44 and 5,951.63 is: 8,213.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987.32 : 15,162.44 = 5,951.63 : x
  2. Step 2: Convert to fraction form
    10,987.32/15,162.44 = 5,951.63/x
  3. Step 3: Cross multiply
    10,987.32x = 15,162.44 × 5,951.63
  4. Step 4: Simplify right side
    10,987.32x = 90,241,280.80
  5. Step 5: Solve for x
    x = 90,241,280.80/10,987.32
  6. Step 6: Final answer
    x = 8,213.22

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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.