Home / 9,189.72-13,776.23-3,342.20

Finding the Fourth Proportional to 9,189.72, 13,776.23 and 3,342.20

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Solution

The fourth proportional to 9,189.72, 13,776.23 and 3,342.20 is: 5,010.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189.72 : 13,776.23 = 3,342.20 : x
  2. Step 2: Convert to fraction form
    9,189.72/13,776.23 = 3,342.20/x
  3. Step 3: Cross multiply
    9,189.72x = 13,776.23 × 3,342.20
  4. Step 4: Simplify right side
    9,189.72x = 46,042,830.31
  5. Step 5: Solve for x
    x = 46,042,830.31/9,189.72
  6. Step 6: Final answer
    x = 5,010.25

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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.