Home / 22,419.13-33,620.67-7,423.51

Finding the Fourth Proportional to 22,419.13, 33,620.67 and 7,423.51

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Solution

The fourth proportional to 22,419.13, 33,620.67 and 7,423.51 is: 11,132.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,419.13 : 33,620.67 = 7,423.51 : x
  2. Step 2: Convert to fraction form
    22,419.13/33,620.67 = 7,423.51/x
  3. Step 3: Cross multiply
    22,419.13x = 33,620.67 × 7,423.51
  4. Step 4: Simplify right side
    22,419.13x = 249,583,379.95
  5. Step 5: Solve for x
    x = 249,583,379.95/22,419.13
  6. Step 6: Final answer
    x = 11,132.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.