Home / 9,993.57-13,789.40-5,743.64

Finding the Fourth Proportional to 9,993.57, 13,789.40 and 5,743.64

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Solution

The fourth proportional to 9,993.57, 13,789.40 and 5,743.64 is: 7,925.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,993.57 : 13,789.40 = 5,743.64 : x
  2. Step 2: Convert to fraction form
    9,993.57/13,789.40 = 5,743.64/x
  3. Step 3: Cross multiply
    9,993.57x = 13,789.40 × 5,743.64
  4. Step 4: Simplify right side
    9,993.57x = 79,201,349.42
  5. Step 5: Solve for x
    x = 79,201,349.42/9,993.57
  6. Step 6: Final answer
    x = 7,925.23

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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.