Home / 9,928.87-13,702.07-5,452.94

Finding the Fourth Proportional to 9,928.87, 13,702.07 and 5,452.94

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Solution

The fourth proportional to 9,928.87, 13,702.07 and 5,452.94 is: 7,525.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,928.87 : 13,702.07 = 5,452.94 : x
  2. Step 2: Convert to fraction form
    9,928.87/13,702.07 = 5,452.94/x
  3. Step 3: Cross multiply
    9,928.87x = 13,702.07 × 5,452.94
  4. Step 4: Simplify right side
    9,928.87x = 74,716,613.47
  5. Step 5: Solve for x
    x = 74,716,613.47/9,928.87
  6. Step 6: Final answer
    x = 7,525.19

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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.