Home / 11,959.25-16,502.40-6,652.80

Finding the Fourth Proportional to 11,959.25, 16,502.40 and 6,652.80

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Solution

The fourth proportional to 11,959.25, 16,502.40 and 6,652.80 is: 9,180.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,959.25 : 16,502.40 = 6,652.80 : x
  2. Step 2: Convert to fraction form
    11,959.25/16,502.40 = 6,652.80/x
  3. Step 3: Cross multiply
    11,959.25x = 16,502.40 × 6,652.80
  4. Step 4: Simplify right side
    11,959.25x = 109,787,166.72
  5. Step 5: Solve for x
    x = 109,787,166.72/11,959.25
  6. Step 6: Final answer
    x = 9,180.11

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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.