Home / 10,655.66-15,983.54-3,260.09

Finding the Fourth Proportional to 10,655.66, 15,983.54 and 3,260.09

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Solution

The fourth proportional to 10,655.66, 15,983.54 and 3,260.09 is: 4,890.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.66 : 15,983.54 = 3,260.09 : x
  2. Step 2: Convert to fraction form
    10,655.66/15,983.54 = 3,260.09/x
  3. Step 3: Cross multiply
    10,655.66x = 15,983.54 × 3,260.09
  4. Step 4: Simplify right side
    10,655.66x = 52,107,778.92
  5. Step 5: Solve for x
    x = 52,107,778.92/10,655.66
  6. Step 6: Final answer
    x = 4,890.15

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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.