Home / 16,820.19-25,218.48-7,455.12

Finding the Fourth Proportional to 16,820.19, 25,218.48 and 7,455.12

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Solution

The fourth proportional to 16,820.19, 25,218.48 and 7,455.12 is: 11,177.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820.19 : 25,218.48 = 7,455.12 : x
  2. Step 2: Convert to fraction form
    16,820.19/25,218.48 = 7,455.12/x
  3. Step 3: Cross multiply
    16,820.19x = 25,218.48 × 7,455.12
  4. Step 4: Simplify right side
    16,820.19x = 188,006,794.62
  5. Step 5: Solve for x
    x = 188,006,794.62/16,820.19
  6. Step 6: Final answer
    x = 11,177.45

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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.