Home / 17,220.83-25,777.58-13,261.82

Finding the Fourth Proportional to 17,220.83, 25,777.58 and 13,261.82

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Solution

The fourth proportional to 17,220.83, 25,777.58 and 13,261.82 is: 19,851.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220.83 : 25,777.58 = 13,261.82 : x
  2. Step 2: Convert to fraction form
    17,220.83/25,777.58 = 13,261.82/x
  3. Step 3: Cross multiply
    17,220.83x = 25,777.58 × 13,261.82
  4. Step 4: Simplify right side
    17,220.83x = 341,857,430.80
  5. Step 5: Solve for x
    x = 341,857,430.80/17,220.83
  6. Step 6: Final answer
    x = 19,851.40

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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.