Home / 12,182.64-16,810.38-6,876.60

Finding the Fourth Proportional to 12,182.64, 16,810.38 and 6,876.60

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Solution

The fourth proportional to 12,182.64, 16,810.38 and 6,876.60 is: 9,488.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,182.64 : 16,810.38 = 6,876.60 : x
  2. Step 2: Convert to fraction form
    12,182.64/16,810.38 = 6,876.60/x
  3. Step 3: Cross multiply
    12,182.64x = 16,810.38 × 6,876.60
  4. Step 4: Simplify right side
    12,182.64x = 115,598,259.11
  5. Step 5: Solve for x
    x = 115,598,259.11/12,182.64
  6. Step 6: Final answer
    x = 9,488.77

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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.