Home / 13,181.60-19,743.60-10,236.80

Finding the Fourth Proportional to 13,181.60, 19,743.60 and 10,236.80

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Solution

The fourth proportional to 13,181.60, 19,743.60 and 10,236.80 is: 15,332.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,181.60 : 19,743.60 = 10,236.80 : x
  2. Step 2: Convert to fraction form
    13,181.60/19,743.60 = 10,236.80/x
  3. Step 3: Cross multiply
    13,181.60x = 19,743.60 × 10,236.80
  4. Step 4: Simplify right side
    13,181.60x = 202,111,284.48
  5. Step 5: Solve for x
    x = 202,111,284.48/13,181.60
  6. Step 6: Final answer
    x = 15,332.83

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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.