Home / 12,771.17-19,140.10-6,525.92

Finding the Fourth Proportional to 12,771.17, 19,140.10 and 6,525.92

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Solution

The fourth proportional to 12,771.17, 19,140.10 and 6,525.92 is: 9,780.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771.17 : 19,140.10 = 6,525.92 : x
  2. Step 2: Convert to fraction form
    12,771.17/19,140.10 = 6,525.92/x
  3. Step 3: Cross multiply
    12,771.17x = 19,140.10 × 6,525.92
  4. Step 4: Simplify right side
    12,771.17x = 124,906,761.39
  5. Step 5: Solve for x
    x = 124,906,761.39/12,771.17
  6. Step 6: Final answer
    x = 9,780.37

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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.