Home / 10,424.40-15,636.67-2,633.21

Finding the Fourth Proportional to 10,424.40, 15,636.67 and 2,633.21

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Solution

The fourth proportional to 10,424.40, 15,636.67 and 2,633.21 is: 3,949.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,424.40 : 15,636.67 = 2,633.21 : x
  2. Step 2: Convert to fraction form
    10,424.40/15,636.67 = 2,633.21/x
  3. Step 3: Cross multiply
    10,424.40x = 15,636.67 × 2,633.21
  4. Step 4: Simplify right side
    10,424.40x = 41,174,635.81
  5. Step 5: Solve for x
    x = 41,174,635.81/10,424.40
  6. Step 6: Final answer
    x = 3,949.83

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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.