Home / 10,134.18-15,201.09-3,208.50

Finding the Fourth Proportional to 10,134.18, 15,201.09 and 3,208.50

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Solution

The fourth proportional to 10,134.18, 15,201.09 and 3,208.50 is: 4,812.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134.18 : 15,201.09 = 3,208.50 : x
  2. Step 2: Convert to fraction form
    10,134.18/15,201.09 = 3,208.50/x
  3. Step 3: Cross multiply
    10,134.18x = 15,201.09 × 3,208.50
  4. Step 4: Simplify right side
    10,134.18x = 48,772,697.27
  5. Step 5: Solve for x
    x = 48,772,697.27/10,134.18
  6. Step 6: Final answer
    x = 4,812.69

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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.