Home / 12,371.11-17,070.27-7,064.80

Finding the Fourth Proportional to 12,371.11, 17,070.27 and 7,064.80

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Solution

The fourth proportional to 12,371.11, 17,070.27 and 7,064.80 is: 9,748.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.11 : 17,070.27 = 7,064.80 : x
  2. Step 2: Convert to fraction form
    12,371.11/17,070.27 = 7,064.80/x
  3. Step 3: Cross multiply
    12,371.11x = 17,070.27 × 7,064.80
  4. Step 4: Simplify right side
    12,371.11x = 120,597,958.14
  5. Step 5: Solve for x
    x = 120,597,958.14/12,371.11
  6. Step 6: Final answer
    x = 9,748.36

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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.