Home / 14,990.43-22,479.09-7,968.75

Finding the Fourth Proportional to 14,990.43, 22,479.09 and 7,968.75

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Solution

The fourth proportional to 14,990.43, 22,479.09 and 7,968.75 is: 11,949.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,990.43 : 22,479.09 = 7,968.75 : x
  2. Step 2: Convert to fraction form
    14,990.43/22,479.09 = 7,968.75/x
  3. Step 3: Cross multiply
    14,990.43x = 22,479.09 × 7,968.75
  4. Step 4: Simplify right side
    14,990.43x = 179,130,248.44
  5. Step 5: Solve for x
    x = 179,130,248.44/14,990.43
  6. Step 6: Final answer
    x = 11,949.64

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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.