Home / 9,867.32-14,808.84-5,190.06

Finding the Fourth Proportional to 9,867.32, 14,808.84 and 5,190.06

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Solution

The fourth proportional to 9,867.32, 14,808.84 and 5,190.06 is: 7,789.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,867.32 : 14,808.84 = 5,190.06 : x
  2. Step 2: Convert to fraction form
    9,867.32/14,808.84 = 5,190.06/x
  3. Step 3: Cross multiply
    9,867.32x = 14,808.84 × 5,190.06
  4. Step 4: Simplify right side
    9,867.32x = 76,858,790.67
  5. Step 5: Solve for x
    x = 76,858,790.67/9,867.32
  6. Step 6: Final answer
    x = 7,789.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.