Home / 22,253-33,386.16-12,890.84

Finding the Fourth Proportional to 22,253, 33,386.16 and 12,890.84

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Solution

The fourth proportional to 22,253, 33,386.16 and 12,890.84 is: 19,340.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,253 : 33,386.16 = 12,890.84 : x
  2. Step 2: Convert to fraction form
    22,253/33,386.16 = 12,890.84/x
  3. Step 3: Cross multiply
    22,253x = 33,386.16 × 12,890.84
  4. Step 4: Simplify right side
    22,253x = 430,375,646.77
  5. Step 5: Solve for x
    x = 430,375,646.77/22,253
  6. Step 6: Final answer
    x = 19,340.12

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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.