Home / 18,218.87-27,328.31-14,064.95

Finding the Fourth Proportional to 18,218.87, 27,328.31 and 14,064.95

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Solution

The fourth proportional to 18,218.87, 27,328.31 and 14,064.95 is: 21,097.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218.87 : 27,328.31 = 14,064.95 : x
  2. Step 2: Convert to fraction form
    18,218.87/27,328.31 = 14,064.95/x
  3. Step 3: Cross multiply
    18,218.87x = 27,328.31 × 14,064.95
  4. Step 4: Simplify right side
    18,218.87x = 384,371,106.77
  5. Step 5: Solve for x
    x = 384,371,106.77/18,218.87
  6. Step 6: Final answer
    x = 21,097.42

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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.