Home / 12,845.49-19,233.62-8,392.14

Finding the Fourth Proportional to 12,845.49, 19,233.62 and 8,392.14

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Solution

The fourth proportional to 12,845.49, 19,233.62 and 8,392.14 is: 12,565.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.49 : 19,233.62 = 8,392.14 : x
  2. Step 2: Convert to fraction form
    12,845.49/19,233.62 = 8,392.14/x
  3. Step 3: Cross multiply
    12,845.49x = 19,233.62 × 8,392.14
  4. Step 4: Simplify right side
    12,845.49x = 161,411,189.79
  5. Step 5: Solve for x
    x = 161,411,189.79/12,845.49
  6. Step 6: Final answer
    x = 12,565.59

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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.