Home / 9,908.72-13,670.36-5,659.08

Finding the Fourth Proportional to 9,908.72, 13,670.36 and 5,659.08

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Solution

The fourth proportional to 9,908.72, 13,670.36 and 5,659.08 is: 7,807.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,908.72 : 13,670.36 = 5,659.08 : x
  2. Step 2: Convert to fraction form
    9,908.72/13,670.36 = 5,659.08/x
  3. Step 3: Cross multiply
    9,908.72x = 13,670.36 × 5,659.08
  4. Step 4: Simplify right side
    9,908.72x = 77,361,660.87
  5. Step 5: Solve for x
    x = 77,361,660.87/9,908.72
  6. Step 6: Final answer
    x = 7,807.43

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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.