Home / 11,971.41-17,957.13-3,206.10

Finding the Fourth Proportional to 11,971.41, 17,957.13 and 3,206.10

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Solution

The fourth proportional to 11,971.41, 17,957.13 and 3,206.10 is: 4,809.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971.41 : 17,957.13 = 3,206.10 : x
  2. Step 2: Convert to fraction form
    11,971.41/17,957.13 = 3,206.10/x
  3. Step 3: Cross multiply
    11,971.41x = 17,957.13 × 3,206.10
  4. Step 4: Simplify right side
    11,971.41x = 57,572,354.49
  5. Step 5: Solve for x
    x = 57,572,354.49/11,971.41
  6. Step 6: Final answer
    x = 4,809.15

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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.