Home / 12,151.48-18,220.74-6,293.56

Finding the Fourth Proportional to 12,151.48, 18,220.74 and 6,293.56

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Solution

The fourth proportional to 12,151.48, 18,220.74 and 6,293.56 is: 9,436.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,151.48 : 18,220.74 = 6,293.56 : x
  2. Step 2: Convert to fraction form
    12,151.48/18,220.74 = 6,293.56/x
  3. Step 3: Cross multiply
    12,151.48x = 18,220.74 × 6,293.56
  4. Step 4: Simplify right side
    12,151.48x = 114,673,320.43
  5. Step 5: Solve for x
    x = 114,673,320.43/12,151.48
  6. Step 6: Final answer
    x = 9,436.98

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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.