Home / 10,664.28-15,998.22-3,643.80

Finding the Fourth Proportional to 10,664.28, 15,998.22 and 3,643.80

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Solution

The fourth proportional to 10,664.28, 15,998.22 and 3,643.80 is: 5,466.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,664.28 : 15,998.22 = 3,643.80 : x
  2. Step 2: Convert to fraction form
    10,664.28/15,998.22 = 3,643.80/x
  3. Step 3: Cross multiply
    10,664.28x = 15,998.22 × 3,643.80
  4. Step 4: Simplify right side
    10,664.28x = 58,294,314.04
  5. Step 5: Solve for x
    x = 58,294,314.04/10,664.28
  6. Step 6: Final answer
    x = 5,466.32

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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.