Home / 10,269.84-15,406.13-3,604.75

Finding the Fourth Proportional to 10,269.84, 15,406.13 and 3,604.75

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Solution

The fourth proportional to 10,269.84, 15,406.13 and 3,604.75 is: 5,407.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269.84 : 15,406.13 = 3,604.75 : x
  2. Step 2: Convert to fraction form
    10,269.84/15,406.13 = 3,604.75/x
  3. Step 3: Cross multiply
    10,269.84x = 15,406.13 × 3,604.75
  4. Step 4: Simplify right side
    10,269.84x = 55,535,247.12
  5. Step 5: Solve for x
    x = 55,535,247.12/10,269.84
  6. Step 6: Final answer
    x = 5,407.61

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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.