Home / 13,290.53-18,338.22-10,102.97

Finding the Fourth Proportional to 13,290.53, 18,338.22 and 10,102.97

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Solution

The fourth proportional to 13,290.53, 18,338.22 and 10,102.97 is: 13,940.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,290.53 : 18,338.22 = 10,102.97 : x
  2. Step 2: Convert to fraction form
    13,290.53/18,338.22 = 10,102.97/x
  3. Step 3: Cross multiply
    13,290.53x = 18,338.22 × 10,102.97
  4. Step 4: Simplify right side
    13,290.53x = 185,270,394.82
  5. Step 5: Solve for x
    x = 185,270,394.82/13,290.53
  6. Step 6: Final answer
    x = 13,940.04

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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.