Home / 12,564.40-18,843.44-5,170.92

Finding the Fourth Proportional to 12,564.40, 18,843.44 and 5,170.92

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Solution

The fourth proportional to 12,564.40, 18,843.44 and 5,170.92 is: 7,755.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,564.40 : 18,843.44 = 5,170.92 : x
  2. Step 2: Convert to fraction form
    12,564.40/18,843.44 = 5,170.92/x
  3. Step 3: Cross multiply
    12,564.40x = 18,843.44 × 5,170.92
  4. Step 4: Simplify right side
    12,564.40x = 97,437,920.76
  5. Step 5: Solve for x
    x = 97,437,920.76/12,564.40
  6. Step 6: Final answer
    x = 7,755.08

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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.