Home / 12,368.38-18,442.24-10,994.62

Finding the Fourth Proportional to 12,368.38, 18,442.24 and 10,994.62

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Solution

The fourth proportional to 12,368.38, 18,442.24 and 10,994.62 is: 16,393.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368.38 : 18,442.24 = 10,994.62 : x
  2. Step 2: Convert to fraction form
    12,368.38/18,442.24 = 10,994.62/x
  3. Step 3: Cross multiply
    12,368.38x = 18,442.24 × 10,994.62
  4. Step 4: Simplify right side
    12,368.38x = 202,765,420.75
  5. Step 5: Solve for x
    x = 202,765,420.75/12,368.38
  6. Step 6: Final answer
    x = 16,393.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.