Home / 10,660.29-15,995.84-7,190.25

Finding the Fourth Proportional to 10,660.29, 15,995.84 and 7,190.25

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Solution

The fourth proportional to 10,660.29, 15,995.84 and 7,190.25 is: 10,789.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,660.29 : 15,995.84 = 7,190.25 : x
  2. Step 2: Convert to fraction form
    10,660.29/15,995.84 = 7,190.25/x
  3. Step 3: Cross multiply
    10,660.29x = 15,995.84 × 7,190.25
  4. Step 4: Simplify right side
    10,660.29x = 115,014,052.61
  5. Step 5: Solve for x
    x = 115,014,052.61/10,660.29
  6. Step 6: Final answer
    x = 10,789.02

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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.