Home / 22,243.83-33,360.35-10,390.11

Finding the Fourth Proportional to 22,243.83, 33,360.35 and 10,390.11

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Solution

The fourth proportional to 22,243.83, 33,360.35 and 10,390.11 is: 15,582.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,243.83 : 33,360.35 = 10,390.11 : x
  2. Step 2: Convert to fraction form
    22,243.83/33,360.35 = 10,390.11/x
  3. Step 3: Cross multiply
    22,243.83x = 33,360.35 × 10,390.11
  4. Step 4: Simplify right side
    22,243.83x = 346,617,654.19
  5. Step 5: Solve for x
    x = 346,617,654.19/22,243.83
  6. Step 6: Final answer
    x = 15,582.64

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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.