Home / 17,118.12-25,677.28-5,271.74

Finding the Fourth Proportional to 17,118.12, 25,677.28 and 5,271.74

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Solution

The fourth proportional to 17,118.12, 25,677.28 and 5,271.74 is: 7,907.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,118.12 : 25,677.28 = 5,271.74 : x
  2. Step 2: Convert to fraction form
    17,118.12/25,677.28 = 5,271.74/x
  3. Step 3: Cross multiply
    17,118.12x = 25,677.28 × 5,271.74
  4. Step 4: Simplify right side
    17,118.12x = 135,363,944.07
  5. Step 5: Solve for x
    x = 135,363,944.07/17,118.12
  6. Step 6: Final answer
    x = 7,907.64

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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.