Home / 9,514.32-13,129.84-5,537.76

Finding the Fourth Proportional to 9,514.32, 13,129.84 and 5,537.76

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Solution

The fourth proportional to 9,514.32, 13,129.84 and 5,537.76 is: 7,642.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,514.32 : 13,129.84 = 5,537.76 : x
  2. Step 2: Convert to fraction form
    9,514.32/13,129.84 = 5,537.76/x
  3. Step 3: Cross multiply
    9,514.32x = 13,129.84 × 5,537.76
  4. Step 4: Simplify right side
    9,514.32x = 72,709,902.76
  5. Step 5: Solve for x
    x = 72,709,902.76/9,514.32
  6. Step 6: Final answer
    x = 7,642.15

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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.