Home / 18,517.84-25,554.43-10,019.77

Finding the Fourth Proportional to 18,517.84, 25,554.43 and 10,019.77

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Solution

The fourth proportional to 18,517.84, 25,554.43 and 10,019.77 is: 13,827.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517.84 : 25,554.43 = 10,019.77 : x
  2. Step 2: Convert to fraction form
    18,517.84/25,554.43 = 10,019.77/x
  3. Step 3: Cross multiply
    18,517.84x = 25,554.43 × 10,019.77
  4. Step 4: Simplify right side
    18,517.84x = 256,049,517.97
  5. Step 5: Solve for x
    x = 256,049,517.97/18,517.84
  6. Step 6: Final answer
    x = 13,827.18

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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.