Home / 17,173.90-23,700.36-9,620.79

Finding the Fourth Proportional to 17,173.90, 23,700.36 and 9,620.79

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Solution

The fourth proportional to 17,173.90, 23,700.36 and 9,620.79 is: 13,276.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,173.90 : 23,700.36 = 9,620.79 : x
  2. Step 2: Convert to fraction form
    17,173.90/23,700.36 = 9,620.79/x
  3. Step 3: Cross multiply
    17,173.90x = 23,700.36 × 9,620.79
  4. Step 4: Simplify right side
    17,173.90x = 228,016,186.48
  5. Step 5: Solve for x
    x = 228,016,186.48/17,173.90
  6. Step 6: Final answer
    x = 13,276.90

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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.