Home / 18,383.80-27,587.04-8,521.24

Finding the Fourth Proportional to 18,383.80, 27,587.04 and 8,521.24

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Solution

The fourth proportional to 18,383.80, 27,587.04 and 8,521.24 is: 12,787.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383.80 : 27,587.04 = 8,521.24 : x
  2. Step 2: Convert to fraction form
    18,383.80/27,587.04 = 8,521.24/x
  3. Step 3: Cross multiply
    18,383.80x = 27,587.04 × 8,521.24
  4. Step 4: Simplify right side
    18,383.80x = 235,075,788.73
  5. Step 5: Solve for x
    x = 235,075,788.73/18,383.80
  6. Step 6: Final answer
    x = 12,787.12

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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.