Home / 11,348.64-17,001.50-6,421.82

Finding the Fourth Proportional to 11,348.64, 17,001.50 and 6,421.82

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Solution

The fourth proportional to 11,348.64, 17,001.50 and 6,421.82 is: 9,620.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,348.64 : 17,001.50 = 6,421.82 : x
  2. Step 2: Convert to fraction form
    11,348.64/17,001.50 = 6,421.82/x
  3. Step 3: Cross multiply
    11,348.64x = 17,001.50 × 6,421.82
  4. Step 4: Simplify right side
    11,348.64x = 109,180,455.61
  5. Step 5: Solve for x
    x = 109,180,455.61/11,348.64
  6. Step 6: Final answer
    x = 9,620.58

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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.