Home / 12,324.48-18,468.16-4,921.60

Finding the Fourth Proportional to 12,324.48, 18,468.16 and 4,921.60

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Solution

The fourth proportional to 12,324.48, 18,468.16 and 4,921.60 is: 7,374.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,324.48 : 18,468.16 = 4,921.60 : x
  2. Step 2: Convert to fraction form
    12,324.48/18,468.16 = 4,921.60/x
  3. Step 3: Cross multiply
    12,324.48x = 18,468.16 × 4,921.60
  4. Step 4: Simplify right side
    12,324.48x = 90,892,896.26
  5. Step 5: Solve for x
    x = 90,892,896.26/12,324.48
  6. Step 6: Final answer
    x = 7,374.99

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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.