Home / 10,881.22-16,319.40-4,308.88

Finding the Fourth Proportional to 10,881.22, 16,319.40 and 4,308.88

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Solution

The fourth proportional to 10,881.22, 16,319.40 and 4,308.88 is: 6,462.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881.22 : 16,319.40 = 4,308.88 : x
  2. Step 2: Convert to fraction form
    10,881.22/16,319.40 = 4,308.88/x
  3. Step 3: Cross multiply
    10,881.22x = 16,319.40 × 4,308.88
  4. Step 4: Simplify right side
    10,881.22x = 70,318,336.27
  5. Step 5: Solve for x
    x = 70,318,336.27/10,881.22
  6. Step 6: Final answer
    x = 6,462.36

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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.