Home / 10,426.88-15,640.32-3,506.24

Finding the Fourth Proportional to 10,426.88, 15,640.32 and 3,506.24

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Solution

The fourth proportional to 10,426.88, 15,640.32 and 3,506.24 is: 5,259.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,426.88 : 15,640.32 = 3,506.24 : x
  2. Step 2: Convert to fraction form
    10,426.88/15,640.32 = 3,506.24/x
  3. Step 3: Cross multiply
    10,426.88x = 15,640.32 × 3,506.24
  4. Step 4: Simplify right side
    10,426.88x = 54,838,715.60
  5. Step 5: Solve for x
    x = 54,838,715.60/10,426.88
  6. Step 6: Final answer
    x = 5,259.36

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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.