Home / 13,009.68-19,546.61-8,331.71

Finding the Fourth Proportional to 13,009.68, 19,546.61 and 8,331.71

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Solution

The fourth proportional to 13,009.68, 19,546.61 and 8,331.71 is: 12,518.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009.68 : 19,546.61 = 8,331.71 : x
  2. Step 2: Convert to fraction form
    13,009.68/19,546.61 = 8,331.71/x
  3. Step 3: Cross multiply
    13,009.68x = 19,546.61 × 8,331.71
  4. Step 4: Simplify right side
    13,009.68x = 162,856,546.61
  5. Step 5: Solve for x
    x = 162,856,546.61/13,009.68
  6. Step 6: Final answer
    x = 12,518.11

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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.