Home / 18,029.40-27,058.04-11,787.72

Finding the Fourth Proportional to 18,029.40, 27,058.04 and 11,787.72

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Solution

The fourth proportional to 18,029.40, 27,058.04 and 11,787.72 is: 17,690.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,029.40 : 27,058.04 = 11,787.72 : x
  2. Step 2: Convert to fraction form
    18,029.40/27,058.04 = 11,787.72/x
  3. Step 3: Cross multiply
    18,029.40x = 27,058.04 × 11,787.72
  4. Step 4: Simplify right side
    18,029.40x = 318,952,599.27
  5. Step 5: Solve for x
    x = 318,952,599.27/18,029.40
  6. Step 6: Final answer
    x = 17,690.69

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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.