Home / 14,891.14-20,549.73-8,176.96

Finding the Fourth Proportional to 14,891.14, 20,549.73 and 8,176.96

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Solution

The fourth proportional to 14,891.14, 20,549.73 and 8,176.96 is: 11,284.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,891.14 : 20,549.73 = 8,176.96 : x
  2. Step 2: Convert to fraction form
    14,891.14/20,549.73 = 8,176.96/x
  3. Step 3: Cross multiply
    14,891.14x = 20,549.73 × 8,176.96
  4. Step 4: Simplify right side
    14,891.14x = 168,034,320.22
  5. Step 5: Solve for x
    x = 168,034,320.22/14,891.14
  6. Step 6: Final answer
    x = 11,284.18

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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.