Home / 10,555.60-15,835.56-3,630.64

Finding the Fourth Proportional to 10,555.60, 15,835.56 and 3,630.64

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Solution

The fourth proportional to 10,555.60, 15,835.56 and 3,630.64 is: 5,446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.60 : 15,835.56 = 3,630.64 : x
  2. Step 2: Convert to fraction form
    10,555.60/15,835.56 = 3,630.64/x
  3. Step 3: Cross multiply
    10,555.60x = 15,835.56 × 3,630.64
  4. Step 4: Simplify right side
    10,555.60x = 57,493,217.56
  5. Step 5: Solve for x
    x = 57,493,217.56/10,555.60
  6. Step 6: Final answer
    x = 5,446.70

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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.