Home / 18,328.20-27,506.88-6,644.76

Finding the Fourth Proportional to 18,328.20, 27,506.88 and 6,644.76

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Solution

The fourth proportional to 18,328.20, 27,506.88 and 6,644.76 is: 9,972.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328.20 : 27,506.88 = 6,644.76 : x
  2. Step 2: Convert to fraction form
    18,328.20/27,506.88 = 6,644.76/x
  3. Step 3: Cross multiply
    18,328.20x = 27,506.88 × 6,644.76
  4. Step 4: Simplify right side
    18,328.20x = 182,776,615.95
  5. Step 5: Solve for x
    x = 182,776,615.95/18,328.20
  6. Step 6: Final answer
    x = 9,972.43

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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.