Home / 9,121.14-13,684.03-2,547.34

Finding the Fourth Proportional to 9,121.14, 13,684.03 and 2,547.34

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Solution

The fourth proportional to 9,121.14, 13,684.03 and 2,547.34 is: 3,821.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121.14 : 13,684.03 = 2,547.34 : x
  2. Step 2: Convert to fraction form
    9,121.14/13,684.03 = 2,547.34/x
  3. Step 3: Cross multiply
    9,121.14x = 13,684.03 × 2,547.34
  4. Step 4: Simplify right side
    9,121.14x = 34,857,876.98
  5. Step 5: Solve for x
    x = 34,857,876.98/9,121.14
  6. Step 6: Final answer
    x = 3,821.66

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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.