Home / 10,336.80-15,505.20-6,189.60

Finding the Fourth Proportional to 10,336.80, 15,505.20 and 6,189.60

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Solution

The fourth proportional to 10,336.80, 15,505.20 and 6,189.60 is: 9,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,336.80 : 15,505.20 = 6,189.60 : x
  2. Step 2: Convert to fraction form
    10,336.80/15,505.20 = 6,189.60/x
  3. Step 3: Cross multiply
    10,336.80x = 15,505.20 × 6,189.60
  4. Step 4: Simplify right side
    10,336.80x = 95,970,985.92
  5. Step 5: Solve for x
    x = 95,970,985.92/10,336.80
  6. Step 6: Final answer
    x = 9,284.40

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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.