Home / 18,038.97-27,058.35-4,891.32

Finding the Fourth Proportional to 18,038.97, 27,058.35 and 4,891.32

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Solution

The fourth proportional to 18,038.97, 27,058.35 and 4,891.32 is: 7,336.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,038.97 : 27,058.35 = 4,891.32 : x
  2. Step 2: Convert to fraction form
    18,038.97/27,058.35 = 4,891.32/x
  3. Step 3: Cross multiply
    18,038.97x = 27,058.35 × 4,891.32
  4. Step 4: Simplify right side
    18,038.97x = 132,351,048.52
  5. Step 5: Solve for x
    x = 132,351,048.52/18,038.97
  6. Step 6: Final answer
    x = 7,336.95

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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.