Home / 8,426.88-12,615.36-5,506.56

Finding the Fourth Proportional to 8,426.88, 12,615.36 and 5,506.56

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Solution

The fourth proportional to 8,426.88, 12,615.36 and 5,506.56 is: 8,243.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.88 : 12,615.36 = 5,506.56 : x
  2. Step 2: Convert to fraction form
    8,426.88/12,615.36 = 5,506.56/x
  3. Step 3: Cross multiply
    8,426.88x = 12,615.36 × 5,506.56
  4. Step 4: Simplify right side
    8,426.88x = 69,467,236.76
  5. Step 5: Solve for x
    x = 69,467,236.76/8,426.88
  6. Step 6: Final answer
    x = 8,243.53

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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.