Home / 13,370.93-18,442.44-8,892.44

Finding the Fourth Proportional to 13,370.93, 18,442.44 and 8,892.44

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Solution

The fourth proportional to 13,370.93, 18,442.44 and 8,892.44 is: 12,265.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.93 : 18,442.44 = 8,892.44 : x
  2. Step 2: Convert to fraction form
    13,370.93/18,442.44 = 8,892.44/x
  3. Step 3: Cross multiply
    13,370.93x = 18,442.44 × 8,892.44
  4. Step 4: Simplify right side
    13,370.93x = 163,998,291.15
  5. Step 5: Solve for x
    x = 163,998,291.15/13,370.93
  6. Step 6: Final answer
    x = 12,265.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.