Home / 13,330.09-19,994.32-5,538.97

Finding the Fourth Proportional to 13,330.09, 19,994.32 and 5,538.97

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Solution

The fourth proportional to 13,330.09, 19,994.32 and 5,538.97 is: 8,308.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.09 : 19,994.32 = 5,538.97 : x
  2. Step 2: Convert to fraction form
    13,330.09/19,994.32 = 5,538.97/x
  3. Step 3: Cross multiply
    13,330.09x = 19,994.32 × 5,538.97
  4. Step 4: Simplify right side
    13,330.09x = 110,747,938.65
  5. Step 5: Solve for x
    x = 110,747,938.65/13,330.09
  6. Step 6: Final answer
    x = 8,308.12

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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.