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Finding the Fourth Proportional to 18,165.10, 27,227.40 and 7,068.10

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Solution

The fourth proportional to 18,165.10, 27,227.40 and 7,068.10 is: 10,594.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,165.10 : 27,227.40 = 7,068.10 : x
  2. Step 2: Convert to fraction form
    18,165.10/27,227.40 = 7,068.10/x
  3. Step 3: Cross multiply
    18,165.10x = 27,227.40 × 7,068.10
  4. Step 4: Simplify right side
    18,165.10x = 192,445,985.94
  5. Step 5: Solve for x
    x = 192,445,985.94/18,165.10
  6. Step 6: Final answer
    x = 10,594.27

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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.