Home / 17,579.80-26,369.70-7,189.12

Finding the Fourth Proportional to 17,579.80, 26,369.70 and 7,189.12

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Solution

The fourth proportional to 17,579.80, 26,369.70 and 7,189.12 is: 10,783.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,579.80 : 26,369.70 = 7,189.12 : x
  2. Step 2: Convert to fraction form
    17,579.80/26,369.70 = 7,189.12/x
  3. Step 3: Cross multiply
    17,579.80x = 26,369.70 × 7,189.12
  4. Step 4: Simplify right side
    17,579.80x = 189,574,937.66
  5. Step 5: Solve for x
    x = 189,574,937.66/17,579.80
  6. Step 6: Final answer
    x = 10,783.68

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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.