Home / 14,736.09-20,326.61-8,990.92

Finding the Fourth Proportional to 14,736.09, 20,326.61 and 8,990.92

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Solution

The fourth proportional to 14,736.09, 20,326.61 and 8,990.92 is: 12,401.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,736.09 : 20,326.61 = 8,990.92 : x
  2. Step 2: Convert to fraction form
    14,736.09/20,326.61 = 8,990.92/x
  3. Step 3: Cross multiply
    14,736.09x = 20,326.61 × 8,990.92
  4. Step 4: Simplify right side
    14,736.09x = 182,754,924.38
  5. Step 5: Solve for x
    x = 182,754,924.38/14,736.09
  6. Step 6: Final answer
    x = 12,401.86

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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.