Home / 18,281.27-27,405.50-6,426.70

Finding the Fourth Proportional to 18,281.27, 27,405.50 and 6,426.70

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Solution

The fourth proportional to 18,281.27, 27,405.50 and 6,426.70 is: 9,634.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281.27 : 27,405.50 = 6,426.70 : x
  2. Step 2: Convert to fraction form
    18,281.27/27,405.50 = 6,426.70/x
  3. Step 3: Cross multiply
    18,281.27x = 27,405.50 × 6,426.70
  4. Step 4: Simplify right side
    18,281.27x = 176,127,064.09
  5. Step 5: Solve for x
    x = 176,127,064.09/18,281.27
  6. Step 6: Final answer
    x = 9,634.29

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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.