Home / 13,894.23-19,154.11-9,908.43

Finding the Fourth Proportional to 13,894.23, 19,154.11 and 9,908.43

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Solution

The fourth proportional to 13,894.23, 19,154.11 and 9,908.43 is: 13,659.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,894.23 : 19,154.11 = 9,908.43 : x
  2. Step 2: Convert to fraction form
    13,894.23/19,154.11 = 9,908.43/x
  3. Step 3: Cross multiply
    13,894.23x = 19,154.11 × 9,908.43
  4. Step 4: Simplify right side
    13,894.23x = 189,787,158.15
  5. Step 5: Solve for x
    x = 189,787,158.15/13,894.23
  6. Step 6: Final answer
    x = 13,659.42

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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.