Home / 18,418.95-27,628.61-14,744.53

Finding the Fourth Proportional to 18,418.95, 27,628.61 and 14,744.53

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Solution

The fourth proportional to 18,418.95, 27,628.61 and 14,744.53 is: 22,116.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418.95 : 27,628.61 = 14,744.53 : x
  2. Step 2: Convert to fraction form
    18,418.95/27,628.61 = 14,744.53/x
  3. Step 3: Cross multiply
    18,418.95x = 27,628.61 × 14,744.53
  4. Step 4: Simplify right side
    18,418.95x = 407,370,938.07
  5. Step 5: Solve for x
    x = 407,370,938.07/18,418.95
  6. Step 6: Final answer
    x = 22,116.95

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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.