Home / 18,328.74-27,493.11-6,638.10

Finding the Fourth Proportional to 18,328.74, 27,493.11 and 6,638.10

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Solution

The fourth proportional to 18,328.74, 27,493.11 and 6,638.10 is: 9,957.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328.74 : 27,493.11 = 6,638.10 : x
  2. Step 2: Convert to fraction form
    18,328.74/27,493.11 = 6,638.10/x
  3. Step 3: Cross multiply
    18,328.74x = 27,493.11 × 6,638.10
  4. Step 4: Simplify right side
    18,328.74x = 182,502,013.49
  5. Step 5: Solve for x
    x = 182,502,013.49/18,328.74
  6. Step 6: Final answer
    x = 9,957.15

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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.