Home / 14,979.18-20,671.25-8,264.80

Finding the Fourth Proportional to 14,979.18, 20,671.25 and 8,264.80

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Solution

The fourth proportional to 14,979.18, 20,671.25 and 8,264.80 is: 11,405.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979.18 : 20,671.25 = 8,264.80 : x
  2. Step 2: Convert to fraction form
    14,979.18/20,671.25 = 8,264.80/x
  3. Step 3: Cross multiply
    14,979.18x = 20,671.25 × 8,264.80
  4. Step 4: Simplify right side
    14,979.18x = 170,843,830.33
  5. Step 5: Solve for x
    x = 170,843,830.33/14,979.18
  6. Step 6: Final answer
    x = 11,405.42

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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.