Home / 12,086.31-18,134.90-6,533.15

Finding the Fourth Proportional to 12,086.31, 18,134.90 and 6,533.15

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Solution

The fourth proportional to 12,086.31, 18,134.90 and 6,533.15 is: 9,802.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,086.31 : 18,134.90 = 6,533.15 : x
  2. Step 2: Convert to fraction form
    12,086.31/18,134.90 = 6,533.15/x
  3. Step 3: Cross multiply
    12,086.31x = 18,134.90 × 6,533.15
  4. Step 4: Simplify right side
    12,086.31x = 118,478,021.54
  5. Step 5: Solve for x
    x = 118,478,021.54/12,086.31
  6. Step 6: Final answer
    x = 9,802.66

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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.