Home / 9,010.80-13,519.44-6,433.92

Finding the Fourth Proportional to 9,010.80, 13,519.44 and 6,433.92

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Solution

The fourth proportional to 9,010.80, 13,519.44 and 6,433.92 is: 9,653.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,010.80 : 13,519.44 = 6,433.92 : x
  2. Step 2: Convert to fraction form
    9,010.80/13,519.44 = 6,433.92/x
  3. Step 3: Cross multiply
    9,010.80x = 13,519.44 × 6,433.92
  4. Step 4: Simplify right side
    9,010.80x = 86,982,995.40
  5. Step 5: Solve for x
    x = 86,982,995.40/9,010.80
  6. Step 6: Final answer
    x = 9,653.19

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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.