Home / 12,897.06-19,363.40-6,662.22

Finding the Fourth Proportional to 12,897.06, 19,363.40 and 6,662.22

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Solution

The fourth proportional to 12,897.06, 19,363.40 and 6,662.22 is: 10,002.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,897.06 : 19,363.40 = 6,662.22 : x
  2. Step 2: Convert to fraction form
    12,897.06/19,363.40 = 6,662.22/x
  3. Step 3: Cross multiply
    12,897.06x = 19,363.40 × 6,662.22
  4. Step 4: Simplify right side
    12,897.06x = 129,003,230.75
  5. Step 5: Solve for x
    x = 129,003,230.75/12,897.06
  6. Step 6: Final answer
    x = 10,002.53

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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.