Home / 22,117.26-30,519.40-13,163.52

Finding the Fourth Proportional to 22,117.26, 30,519.40 and 13,163.52

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Solution

The fourth proportional to 22,117.26, 30,519.40 and 13,163.52 is: 18,164.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,117.26 : 30,519.40 = 13,163.52 : x
  2. Step 2: Convert to fraction form
    22,117.26/30,519.40 = 13,163.52/x
  3. Step 3: Cross multiply
    22,117.26x = 30,519.40 × 13,163.52
  4. Step 4: Simplify right side
    22,117.26x = 401,742,732.29
  5. Step 5: Solve for x
    x = 401,742,732.29/22,117.26
  6. Step 6: Final answer
    x = 18,164.22

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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.