Home / 10,346.70-15,520.26-2,555.58

Finding the Fourth Proportional to 10,346.70, 15,520.26 and 2,555.58

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Solution

The fourth proportional to 10,346.70, 15,520.26 and 2,555.58 is: 3,833.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,346.70 : 15,520.26 = 2,555.58 : x
  2. Step 2: Convert to fraction form
    10,346.70/15,520.26 = 2,555.58/x
  3. Step 3: Cross multiply
    10,346.70x = 15,520.26 × 2,555.58
  4. Step 4: Simplify right side
    10,346.70x = 39,663,266.05
  5. Step 5: Solve for x
    x = 39,663,266.05/10,346.70
  6. Step 6: Final answer
    x = 3,833.42

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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.