Home / 14,727.11-20,316.69-8,755.38

Finding the Fourth Proportional to 14,727.11, 20,316.69 and 8,755.38

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Solution

The fourth proportional to 14,727.11, 20,316.69 and 8,755.38 is: 12,078.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,727.11 : 20,316.69 = 8,755.38 : x
  2. Step 2: Convert to fraction form
    14,727.11/20,316.69 = 8,755.38/x
  3. Step 3: Cross multiply
    14,727.11x = 20,316.69 × 8,755.38
  4. Step 4: Simplify right side
    14,727.11x = 177,880,341.29
  5. Step 5: Solve for x
    x = 177,880,341.29/14,727.11
  6. Step 6: Final answer
    x = 12,078.43

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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.