Home / 18,521.87-27,787.59-6,675.17

Finding the Fourth Proportional to 18,521.87, 27,787.59 and 6,675.17

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Solution

The fourth proportional to 18,521.87, 27,787.59 and 6,675.17 is: 10,014.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521.87 : 27,787.59 = 6,675.17 : x
  2. Step 2: Convert to fraction form
    18,521.87/27,787.59 = 6,675.17/x
  3. Step 3: Cross multiply
    18,521.87x = 27,787.59 × 6,675.17
  4. Step 4: Simplify right side
    18,521.87x = 185,486,853.76
  5. Step 5: Solve for x
    x = 185,486,853.76/18,521.87
  6. Step 6: Final answer
    x = 10,014.48

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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.