Home / 10,419.12-15,632.60-6,204.80

Finding the Fourth Proportional to 10,419.12, 15,632.60 and 6,204.80

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Solution

The fourth proportional to 10,419.12, 15,632.60 and 6,204.80 is: 9,309.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,419.12 : 15,632.60 = 6,204.80 : x
  2. Step 2: Convert to fraction form
    10,419.12/15,632.60 = 6,204.80/x
  3. Step 3: Cross multiply
    10,419.12x = 15,632.60 × 6,204.80
  4. Step 4: Simplify right side
    10,419.12x = 96,997,164.54
  5. Step 5: Solve for x
    x = 96,997,164.54/10,419.12
  6. Step 6: Final answer
    x = 9,309.54

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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.