Home / 18,424.12-27,617.12-8,555.34

Finding the Fourth Proportional to 18,424.12, 27,617.12 and 8,555.34

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Solution

The fourth proportional to 18,424.12, 27,617.12 and 8,555.34 is: 12,824.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424.12 : 27,617.12 = 8,555.34 : x
  2. Step 2: Convert to fraction form
    18,424.12/27,617.12 = 8,555.34/x
  3. Step 3: Cross multiply
    18,424.12x = 27,617.12 × 8,555.34
  4. Step 4: Simplify right side
    18,424.12x = 236,273,851.42
  5. Step 5: Solve for x
    x = 236,273,851.42/18,424.12
  6. Step 6: Final answer
    x = 12,824.16

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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.