Home / 13,984.96-19,299.30-8,016.76

Finding the Fourth Proportional to 13,984.96, 19,299.30 and 8,016.76

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Solution

The fourth proportional to 13,984.96, 19,299.30 and 8,016.76 is: 11,063.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,984.96 : 19,299.30 = 8,016.76 : x
  2. Step 2: Convert to fraction form
    13,984.96/19,299.30 = 8,016.76/x
  3. Step 3: Cross multiply
    13,984.96x = 19,299.30 × 8,016.76
  4. Step 4: Simplify right side
    13,984.96x = 154,717,856.27
  5. Step 5: Solve for x
    x = 154,717,856.27/13,984.96
  6. Step 6: Final answer
    x = 11,063.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.