Home / 12,502.28-18,745.50-6,260.60

Finding the Fourth Proportional to 12,502.28, 18,745.50 and 6,260.60

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Solution

The fourth proportional to 12,502.28, 18,745.50 and 6,260.60 is: 9,386.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502.28 : 18,745.50 = 6,260.60 : x
  2. Step 2: Convert to fraction form
    12,502.28/18,745.50 = 6,260.60/x
  3. Step 3: Cross multiply
    12,502.28x = 18,745.50 × 6,260.60
  4. Step 4: Simplify right side
    12,502.28x = 117,358,147.64
  5. Step 5: Solve for x
    x = 117,358,147.64/12,502.28
  6. Step 6: Final answer
    x = 9,386.94

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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.