Home / 11,223.01-16,836.41-3,430

Finding the Fourth Proportional to 11,223.01, 16,836.41 and 3,430

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Solution

The fourth proportional to 11,223.01, 16,836.41 and 3,430 is: 5,145.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.01 : 16,836.41 = 3,430 : x
  2. Step 2: Convert to fraction form
    11,223.01/16,836.41 = 3,430/x
  3. Step 3: Cross multiply
    11,223.01x = 16,836.41 × 3,430
  4. Step 4: Simplify right side
    11,223.01x = 57,748,886.30
  5. Step 5: Solve for x
    x = 57,748,886.30/11,223.01
  6. Step 6: Final answer
    x = 5,145.58

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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.