Home / 13,351.69-18,418.35-10,836.64

Finding the Fourth Proportional to 13,351.69, 18,418.35 and 10,836.64

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Solution

The fourth proportional to 13,351.69, 18,418.35 and 10,836.64 is: 14,948.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351.69 : 18,418.35 = 10,836.64 : x
  2. Step 2: Convert to fraction form
    13,351.69/18,418.35 = 10,836.64/x
  3. Step 3: Cross multiply
    13,351.69x = 18,418.35 × 10,836.64
  4. Step 4: Simplify right side
    13,351.69x = 199,593,028.34
  5. Step 5: Solve for x
    x = 199,593,028.34/13,351.69
  6. Step 6: Final answer
    x = 14,948.90

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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.