Home / 11,308.32-16,959.65-5,381.55

Finding the Fourth Proportional to 11,308.32, 16,959.65 and 5,381.55

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Solution

The fourth proportional to 11,308.32, 16,959.65 and 5,381.55 is: 8,070.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,308.32 : 16,959.65 = 5,381.55 : x
  2. Step 2: Convert to fraction form
    11,308.32/16,959.65 = 5,381.55/x
  3. Step 3: Cross multiply
    11,308.32x = 16,959.65 × 5,381.55
  4. Step 4: Simplify right side
    11,308.32x = 91,269,177.55
  5. Step 5: Solve for x
    x = 91,269,177.55/11,308.32
  6. Step 6: Final answer
    x = 8,070.98

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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.