Home / 10,019.93-13,821.46-6,616.96

Finding the Fourth Proportional to 10,019.93, 13,821.46 and 6,616.96

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Solution

The fourth proportional to 10,019.93, 13,821.46 and 6,616.96 is: 9,127.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,019.93 : 13,821.46 = 6,616.96 : x
  2. Step 2: Convert to fraction form
    10,019.93/13,821.46 = 6,616.96/x
  3. Step 3: Cross multiply
    10,019.93x = 13,821.46 × 6,616.96
  4. Step 4: Simplify right side
    10,019.93x = 91,456,048.70
  5. Step 5: Solve for x
    x = 91,456,048.70/10,019.93
  6. Step 6: Final answer
    x = 9,127.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.