Home / 9,506.88-13,119.12-5,257.66

Finding the Fourth Proportional to 9,506.88, 13,119.12 and 5,257.66

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Solution

The fourth proportional to 9,506.88, 13,119.12 and 5,257.66 is: 7,255.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,506.88 : 13,119.12 = 5,257.66 : x
  2. Step 2: Convert to fraction form
    9,506.88/13,119.12 = 5,257.66/x
  3. Step 3: Cross multiply
    9,506.88x = 13,119.12 × 5,257.66
  4. Step 4: Simplify right side
    9,506.88x = 68,975,872.46
  5. Step 5: Solve for x
    x = 68,975,872.46/9,506.88
  6. Step 6: Final answer
    x = 7,255.36

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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.