Home / 9,514.34-13,129.58-5,207.41

Finding the Fourth Proportional to 9,514.34, 13,129.58 and 5,207.41

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Solution

The fourth proportional to 9,514.34, 13,129.58 and 5,207.41 is: 7,186.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,514.34 : 13,129.58 = 5,207.41 : x
  2. Step 2: Convert to fraction form
    9,514.34/13,129.58 = 5,207.41/x
  3. Step 3: Cross multiply
    9,514.34x = 13,129.58 × 5,207.41
  4. Step 4: Simplify right side
    9,514.34x = 68,371,057.09
  5. Step 5: Solve for x
    x = 68,371,057.09/9,514.34
  6. Step 6: Final answer
    x = 7,186.11

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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.