Home / 13,190.58-19,774.80-9,020.43

Finding the Fourth Proportional to 13,190.58, 19,774.80 and 9,020.43

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Solution

The fourth proportional to 13,190.58, 19,774.80 and 9,020.43 is: 13,523.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190.58 : 19,774.80 = 9,020.43 : x
  2. Step 2: Convert to fraction form
    13,190.58/19,774.80 = 9,020.43/x
  3. Step 3: Cross multiply
    13,190.58x = 19,774.80 × 9,020.43
  4. Step 4: Simplify right side
    13,190.58x = 178,377,199.16
  5. Step 5: Solve for x
    x = 178,377,199.16/13,190.58
  6. Step 6: Final answer
    x = 13,523.07

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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.