Home / 16,801.70-25,203.96-5,115.02

Finding the Fourth Proportional to 16,801.70, 25,203.96 and 5,115.02

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Solution

The fourth proportional to 16,801.70, 25,203.96 and 5,115.02 is: 7,672.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,801.70 : 25,203.96 = 5,115.02 : x
  2. Step 2: Convert to fraction form
    16,801.70/25,203.96 = 5,115.02/x
  3. Step 3: Cross multiply
    16,801.70x = 25,203.96 × 5,115.02
  4. Step 4: Simplify right side
    16,801.70x = 128,918,759.48
  5. Step 5: Solve for x
    x = 128,918,759.48/16,801.70
  6. Step 6: Final answer
    x = 7,672.96

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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.