Home / 9,514.17-13,129.92-5,322.42

Finding the Fourth Proportional to 9,514.17, 13,129.92 and 5,322.42

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Solution

The fourth proportional to 9,514.17, 13,129.92 and 5,322.42 is: 7,345.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,514.17 : 13,129.92 = 5,322.42 : x
  2. Step 2: Convert to fraction form
    9,514.17/13,129.92 = 5,322.42/x
  3. Step 3: Cross multiply
    9,514.17x = 13,129.92 × 5,322.42
  4. Step 4: Simplify right side
    9,514.17x = 69,882,948.81
  5. Step 5: Solve for x
    x = 69,882,948.81/9,514.17
  6. Step 6: Final answer
    x = 7,345.14

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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.