Home / 14,891.66-20,551.23-8,177.21

Finding the Fourth Proportional to 14,891.66, 20,551.23 and 8,177.21

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Solution

The fourth proportional to 14,891.66, 20,551.23 and 8,177.21 is: 11,284.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,891.66 : 20,551.23 = 8,177.21 : x
  2. Step 2: Convert to fraction form
    14,891.66/20,551.23 = 8,177.21/x
  3. Step 3: Cross multiply
    14,891.66x = 20,551.23 × 8,177.21
  4. Step 4: Simplify right side
    14,891.66x = 168,051,620.71
  5. Step 5: Solve for x
    x = 168,051,620.71/14,891.66
  6. Step 6: Final answer
    x = 11,284.95

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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.