Home / 12,910.35-17,811.84-7,244.32

Finding the Fourth Proportional to 12,910.35, 17,811.84 and 7,244.32

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Solution

The fourth proportional to 12,910.35, 17,811.84 and 7,244.32 is: 9,994.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,910.35 : 17,811.84 = 7,244.32 : x
  2. Step 2: Convert to fraction form
    12,910.35/17,811.84 = 7,244.32/x
  3. Step 3: Cross multiply
    12,910.35x = 17,811.84 × 7,244.32
  4. Step 4: Simplify right side
    12,910.35x = 129,034,644.03
  5. Step 5: Solve for x
    x = 129,034,644.03/12,910.35
  6. Step 6: Final answer
    x = 9,994.66

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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.