Home / 10,290.64-15,434.34-3,269.73

Finding the Fourth Proportional to 10,290.64, 15,434.34 and 3,269.73

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Solution

The fourth proportional to 10,290.64, 15,434.34 and 3,269.73 is: 4,904.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.64 : 15,434.34 = 3,269.73 : x
  2. Step 2: Convert to fraction form
    10,290.64/15,434.34 = 3,269.73/x
  3. Step 3: Cross multiply
    10,290.64x = 15,434.34 × 3,269.73
  4. Step 4: Simplify right side
    10,290.64x = 50,466,124.53
  5. Step 5: Solve for x
    x = 50,466,124.53/10,290.64
  6. Step 6: Final answer
    x = 4,904.08

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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.