Home / 10,426.26-15,639.57-3,406.35

Finding the Fourth Proportional to 10,426.26, 15,639.57 and 3,406.35

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Solution

The fourth proportional to 10,426.26, 15,639.57 and 3,406.35 is: 5,109.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,426.26 : 15,639.57 = 3,406.35 : x
  2. Step 2: Convert to fraction form
    10,426.26/15,639.57 = 3,406.35/x
  3. Step 3: Cross multiply
    10,426.26x = 15,639.57 × 3,406.35
  4. Step 4: Simplify right side
    10,426.26x = 53,273,849.27
  5. Step 5: Solve for x
    x = 53,273,849.27/10,426.26
  6. Step 6: Final answer
    x = 5,109.58

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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.