Home / 12,741.60-17,587.44-10,100.64

Finding the Fourth Proportional to 12,741.60, 17,587.44 and 10,100.64

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Solution

The fourth proportional to 12,741.60, 17,587.44 and 10,100.64 is: 13,942.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,741.60 : 17,587.44 = 10,100.64 : x
  2. Step 2: Convert to fraction form
    12,741.60/17,587.44 = 10,100.64/x
  3. Step 3: Cross multiply
    12,741.60x = 17,587.44 × 10,100.64
  4. Step 4: Simplify right side
    12,741.60x = 177,644,399.96
  5. Step 5: Solve for x
    x = 177,644,399.96/12,741.60
  6. Step 6: Final answer
    x = 13,942.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.