Home / 13,301.62-19,938.96-8,624.59

Finding the Fourth Proportional to 13,301.62, 19,938.96 and 8,624.59

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Solution

The fourth proportional to 13,301.62, 19,938.96 and 8,624.59 is: 12,928.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.62 : 19,938.96 = 8,624.59 : x
  2. Step 2: Convert to fraction form
    13,301.62/19,938.96 = 8,624.59/x
  3. Step 3: Cross multiply
    13,301.62x = 19,938.96 × 8,624.59
  4. Step 4: Simplify right side
    13,301.62x = 171,965,212.21
  5. Step 5: Solve for x
    x = 171,965,212.21/13,301.62
  6. Step 6: Final answer
    x = 12,928.15

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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.