Home / 38,494.26-57,746.25-12,189.60

Finding the Fourth Proportional to 38,494.26, 57,746.25 and 12,189.60

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Solution

The fourth proportional to 38,494.26, 57,746.25 and 12,189.60 is: 18,285.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,494.26 : 57,746.25 = 12,189.60 : x
  2. Step 2: Convert to fraction form
    38,494.26/57,746.25 = 12,189.60/x
  3. Step 3: Cross multiply
    38,494.26x = 57,746.25 × 12,189.60
  4. Step 4: Simplify right side
    38,494.26x = 703,903,689
  5. Step 5: Solve for x
    x = 703,903,689/38,494.26
  6. Step 6: Final answer
    x = 18,285.94

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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.