Home / 10,664.70-15,998.92-3,643.07

Finding the Fourth Proportional to 10,664.70, 15,998.92 and 3,643.07

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Solution

The fourth proportional to 10,664.70, 15,998.92 and 3,643.07 is: 5,465.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,664.70 : 15,998.92 = 3,643.07 : x
  2. Step 2: Convert to fraction form
    10,664.70/15,998.92 = 3,643.07/x
  3. Step 3: Cross multiply
    10,664.70x = 15,998.92 × 3,643.07
  4. Step 4: Simplify right side
    10,664.70x = 58,285,105.49
  5. Step 5: Solve for x
    x = 58,285,105.49/10,664.70
  6. Step 6: Final answer
    x = 5,465.24

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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.