Home / 13,979.32-20,976.02-9,302.44

Finding the Fourth Proportional to 13,979.32, 20,976.02 and 9,302.44

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Solution

The fourth proportional to 13,979.32, 20,976.02 and 9,302.44 is: 13,958.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979.32 : 20,976.02 = 9,302.44 : x
  2. Step 2: Convert to fraction form
    13,979.32/20,976.02 = 9,302.44/x
  3. Step 3: Cross multiply
    13,979.32x = 20,976.02 × 9,302.44
  4. Step 4: Simplify right side
    13,979.32x = 195,128,167.49
  5. Step 5: Solve for x
    x = 195,128,167.49/13,979.32
  6. Step 6: Final answer
    x = 13,958.34

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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.