Home / 13,908.11-19,211.60-10,365.17

Finding the Fourth Proportional to 13,908.11, 19,211.60 and 10,365.17

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Solution

The fourth proportional to 13,908.11, 19,211.60 and 10,365.17 is: 14,317.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908.11 : 19,211.60 = 10,365.17 : x
  2. Step 2: Convert to fraction form
    13,908.11/19,211.60 = 10,365.17/x
  3. Step 3: Cross multiply
    13,908.11x = 19,211.60 × 10,365.17
  4. Step 4: Simplify right side
    13,908.11x = 199,131,499.97
  5. Step 5: Solve for x
    x = 199,131,499.97/13,908.11
  6. Step 6: Final answer
    x = 14,317.65

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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.