Home / 10,606.20-15,909.30-5,940.60

Finding the Fourth Proportional to 10,606.20, 15,909.30 and 5,940.60

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Solution

The fourth proportional to 10,606.20, 15,909.30 and 5,940.60 is: 8,910.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,606.20 : 15,909.30 = 5,940.60 : x
  2. Step 2: Convert to fraction form
    10,606.20/15,909.30 = 5,940.60/x
  3. Step 3: Cross multiply
    10,606.20x = 15,909.30 × 5,940.60
  4. Step 4: Simplify right side
    10,606.20x = 94,510,787.58
  5. Step 5: Solve for x
    x = 94,510,787.58/10,606.20
  6. Step 6: Final answer
    x = 8,910.90

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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.