Home / 13,299.13-18,335.76-10,900.27

Finding the Fourth Proportional to 13,299.13, 18,335.76 and 10,900.27

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Solution

The fourth proportional to 13,299.13, 18,335.76 and 10,900.27 is: 15,028.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.13 : 18,335.76 = 10,900.27 : x
  2. Step 2: Convert to fraction form
    13,299.13/18,335.76 = 10,900.27/x
  3. Step 3: Cross multiply
    13,299.13x = 18,335.76 × 10,900.27
  4. Step 4: Simplify right side
    13,299.13x = 199,864,734.66
  5. Step 5: Solve for x
    x = 199,864,734.66/13,299.13
  6. Step 6: Final answer
    x = 15,028.41

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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.