Home / 11,615.61-17,424.07-3,294.97

Finding the Fourth Proportional to 11,615.61, 17,424.07 and 3,294.97

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Solution

The fourth proportional to 11,615.61, 17,424.07 and 3,294.97 is: 4,942.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.61 : 17,424.07 = 3,294.97 : x
  2. Step 2: Convert to fraction form
    11,615.61/17,424.07 = 3,294.97/x
  3. Step 3: Cross multiply
    11,615.61x = 17,424.07 × 3,294.97
  4. Step 4: Simplify right side
    11,615.61x = 57,411,748.49
  5. Step 5: Solve for x
    x = 57,411,748.49/11,615.61
  6. Step 6: Final answer
    x = 4,942.64

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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.