Home / 22,103.28-30,501.36-13,150.68

Finding the Fourth Proportional to 22,103.28, 30,501.36 and 13,150.68

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Solution

The fourth proportional to 22,103.28, 30,501.36 and 13,150.68 is: 18,147.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,103.28 : 30,501.36 = 13,150.68 : x
  2. Step 2: Convert to fraction form
    22,103.28/30,501.36 = 13,150.68/x
  3. Step 3: Cross multiply
    22,103.28x = 30,501.36 × 13,150.68
  4. Step 4: Simplify right side
    22,103.28x = 401,113,624.92
  5. Step 5: Solve for x
    x = 401,113,624.92/22,103.28
  6. Step 6: Final answer
    x = 18,147.24

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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.