Home / 12,431.06-17,154.34-6,841.70

Finding the Fourth Proportional to 12,431.06, 17,154.34 and 6,841.70

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Solution

The fourth proportional to 12,431.06, 17,154.34 and 6,841.70 is: 9,441.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,431.06 : 17,154.34 = 6,841.70 : x
  2. Step 2: Convert to fraction form
    12,431.06/17,154.34 = 6,841.70/x
  3. Step 3: Cross multiply
    12,431.06x = 17,154.34 × 6,841.70
  4. Step 4: Simplify right side
    12,431.06x = 117,364,847.98
  5. Step 5: Solve for x
    x = 117,364,847.98/12,431.06
  6. Step 6: Final answer
    x = 9,441.26

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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.