Home / 13,301.13-18,338.52-10,902.27

Finding the Fourth Proportional to 13,301.13, 18,338.52 and 10,902.27

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Solution

The fourth proportional to 13,301.13, 18,338.52 and 10,902.27 is: 15,031.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.13 : 18,338.52 = 10,902.27 : x
  2. Step 2: Convert to fraction form
    13,301.13/18,338.52 = 10,902.27/x
  3. Step 3: Cross multiply
    13,301.13x = 18,338.52 × 10,902.27
  4. Step 4: Simplify right side
    13,301.13x = 199,931,496.44
  5. Step 5: Solve for x
    x = 199,931,496.44/13,301.13
  6. Step 6: Final answer
    x = 15,031.17

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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.