Home / 17,086.12-25,638.92-13,645.24

Finding the Fourth Proportional to 17,086.12, 25,638.92 and 13,645.24

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Solution

The fourth proportional to 17,086.12, 25,638.92 and 13,645.24 is: 20,475.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,086.12 : 25,638.92 = 13,645.24 : x
  2. Step 2: Convert to fraction form
    17,086.12/25,638.92 = 13,645.24/x
  3. Step 3: Cross multiply
    17,086.12x = 25,638.92 × 13,645.24
  4. Step 4: Simplify right side
    17,086.12x = 349,849,216.74
  5. Step 5: Solve for x
    x = 349,849,216.74/17,086.12
  6. Step 6: Final answer
    x = 20,475.64

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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.