Home / 9,845.97-13,587.39-5,369.64

Finding the Fourth Proportional to 9,845.97, 13,587.39 and 5,369.64

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Solution

The fourth proportional to 9,845.97, 13,587.39 and 5,369.64 is: 7,410.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,845.97 : 13,587.39 = 5,369.64 : x
  2. Step 2: Convert to fraction form
    9,845.97/13,587.39 = 5,369.64/x
  3. Step 3: Cross multiply
    9,845.97x = 13,587.39 × 5,369.64
  4. Step 4: Simplify right side
    9,845.97x = 72,959,392.84
  5. Step 5: Solve for x
    x = 72,959,392.84/9,845.97
  6. Step 6: Final answer
    x = 7,410.08

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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.