Home / 9,929.05-13,702.07-5,452.84

Finding the Fourth Proportional to 9,929.05, 13,702.07 and 5,452.84

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Solution

The fourth proportional to 9,929.05, 13,702.07 and 5,452.84 is: 7,524.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,929.05 : 13,702.07 = 5,452.84 : x
  2. Step 2: Convert to fraction form
    9,929.05/13,702.07 = 5,452.84/x
  3. Step 3: Cross multiply
    9,929.05x = 13,702.07 × 5,452.84
  4. Step 4: Simplify right side
    9,929.05x = 74,715,226.14
  5. Step 5: Solve for x
    x = 74,715,226.14/9,929.05
  6. Step 6: Final answer
    x = 7,524.91

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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.