Home / 10,880.42-16,327.92-6,987.56

Finding the Fourth Proportional to 10,880.42, 16,327.92 and 6,987.56

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Solution

The fourth proportional to 10,880.42, 16,327.92 and 6,987.56 is: 10,486.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880.42 : 16,327.92 = 6,987.56 : x
  2. Step 2: Convert to fraction form
    10,880.42/16,327.92 = 6,987.56/x
  3. Step 3: Cross multiply
    10,880.42x = 16,327.92 × 6,987.56
  4. Step 4: Simplify right side
    10,880.42x = 114,092,239.04
  5. Step 5: Solve for x
    x = 114,092,239.04/10,880.42
  6. Step 6: Final answer
    x = 10,486.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.