Home / 12,510.96-18,766.43-11,971.04

Finding the Fourth Proportional to 12,510.96, 18,766.43 and 11,971.04

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Solution

The fourth proportional to 12,510.96, 18,766.43 and 11,971.04 is: 17,956.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,510.96 : 18,766.43 = 11,971.04 : x
  2. Step 2: Convert to fraction form
    12,510.96/18,766.43 = 11,971.04/x
  3. Step 3: Cross multiply
    12,510.96x = 18,766.43 × 11,971.04
  4. Step 4: Simplify right side
    12,510.96x = 224,653,748.29
  5. Step 5: Solve for x
    x = 224,653,748.29/12,510.96
  6. Step 6: Final answer
    x = 17,956.56

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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.