Home / 12,427.80-17,126.74-8,884.86

Finding the Fourth Proportional to 12,427.80, 17,126.74 and 8,884.86

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Solution

The fourth proportional to 12,427.80, 17,126.74 and 8,884.86 is: 12,244.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427.80 : 17,126.74 = 8,884.86 : x
  2. Step 2: Convert to fraction form
    12,427.80/17,126.74 = 8,884.86/x
  3. Step 3: Cross multiply
    12,427.80x = 17,126.74 × 8,884.86
  4. Step 4: Simplify right side
    12,427.80x = 152,168,687.16
  5. Step 5: Solve for x
    x = 152,168,687.16/12,427.80
  6. Step 6: Final answer
    x = 12,244.22

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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.