Home / 11,347.70-17,021.56-3,557.12

Finding the Fourth Proportional to 11,347.70, 17,021.56 and 3,557.12

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Solution

The fourth proportional to 11,347.70, 17,021.56 and 3,557.12 is: 5,335.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.70 : 17,021.56 = 3,557.12 : x
  2. Step 2: Convert to fraction form
    11,347.70/17,021.56 = 3,557.12/x
  3. Step 3: Cross multiply
    11,347.70x = 17,021.56 × 3,557.12
  4. Step 4: Simplify right side
    11,347.70x = 60,547,731.51
  5. Step 5: Solve for x
    x = 60,547,731.51/11,347.70
  6. Step 6: Final answer
    x = 5,335.68

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Similar ratio
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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.