Home / 14,646.34-20,213.92-8,979.95

Finding the Fourth Proportional to 14,646.34, 20,213.92 and 8,979.95

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Solution

The fourth proportional to 14,646.34, 20,213.92 and 8,979.95 is: 12,393.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,646.34 : 20,213.92 = 8,979.95 : x
  2. Step 2: Convert to fraction form
    14,646.34/20,213.92 = 8,979.95/x
  3. Step 3: Cross multiply
    14,646.34x = 20,213.92 × 8,979.95
  4. Step 4: Simplify right side
    14,646.34x = 181,519,990.90
  5. Step 5: Solve for x
    x = 181,519,990.90/14,646.34
  6. Step 6: Final answer
    x = 12,393.54

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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.