Home / 18,100.64-24,919.16-15,741.52

Finding the Fourth Proportional to 18,100.64, 24,919.16 and 15,741.52

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Solution

The fourth proportional to 18,100.64, 24,919.16 and 15,741.52 is: 21,671.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100.64 : 24,919.16 = 15,741.52 : x
  2. Step 2: Convert to fraction form
    18,100.64/24,919.16 = 15,741.52/x
  3. Step 3: Cross multiply
    18,100.64x = 24,919.16 × 15,741.52
  4. Step 4: Simplify right side
    18,100.64x = 392,265,455.52
  5. Step 5: Solve for x
    x = 392,265,455.52/18,100.64
  6. Step 6: Final answer
    x = 21,671.36

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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.