Home / 17,218.80-23,761.20-10,145.64

Finding the Fourth Proportional to 17,218.80, 23,761.20 and 10,145.64

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Solution

The fourth proportional to 17,218.80, 23,761.20 and 10,145.64 is: 14,000.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,218.80 : 23,761.20 = 10,145.64 : x
  2. Step 2: Convert to fraction form
    17,218.80/23,761.20 = 10,145.64/x
  3. Step 3: Cross multiply
    17,218.80x = 23,761.20 × 10,145.64
  4. Step 4: Simplify right side
    17,218.80x = 241,072,581.17
  5. Step 5: Solve for x
    x = 241,072,581.17/17,218.80
  6. Step 6: Final answer
    x = 14,000.54

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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.