Home / 12,280.44-18,417.96-4,883.52

Finding the Fourth Proportional to 12,280.44, 18,417.96 and 4,883.52

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Solution

The fourth proportional to 12,280.44, 18,417.96 and 4,883.52 is: 7,324.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,280.44 : 18,417.96 = 4,883.52 : x
  2. Step 2: Convert to fraction form
    12,280.44/18,417.96 = 4,883.52/x
  3. Step 3: Cross multiply
    12,280.44x = 18,417.96 × 4,883.52
  4. Step 4: Simplify right side
    12,280.44x = 89,944,476.02
  5. Step 5: Solve for x
    x = 89,944,476.02/12,280.44
  6. Step 6: Final answer
    x = 7,324.21

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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.