Home / 9,514.39-13,129.88-5,265.74

Finding the Fourth Proportional to 9,514.39, 13,129.88 and 5,265.74

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Solution

The fourth proportional to 9,514.39, 13,129.88 and 5,265.74 is: 7,266.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,514.39 : 13,129.88 = 5,265.74 : x
  2. Step 2: Convert to fraction form
    9,514.39/13,129.88 = 5,265.74/x
  3. Step 3: Cross multiply
    9,514.39x = 13,129.88 × 5,265.74
  4. Step 4: Simplify right side
    9,514.39x = 69,138,570.43
  5. Step 5: Solve for x
    x = 69,138,570.43/9,514.39
  6. Step 6: Final answer
    x = 7,266.74

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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.