Home / 17,089.12-25,633.84-5,402.40

Finding the Fourth Proportional to 17,089.12, 25,633.84 and 5,402.40

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Solution

The fourth proportional to 17,089.12, 25,633.84 and 5,402.40 is: 8,103.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,089.12 : 25,633.84 = 5,402.40 : x
  2. Step 2: Convert to fraction form
    17,089.12/25,633.84 = 5,402.40/x
  3. Step 3: Cross multiply
    17,089.12x = 25,633.84 × 5,402.40
  4. Step 4: Simplify right side
    17,089.12x = 138,484,257.22
  5. Step 5: Solve for x
    x = 138,484,257.22/17,089.12
  6. Step 6: Final answer
    x = 8,103.65

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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.