Home / 12,772.68-19,156.80-3,536.52

Finding the Fourth Proportional to 12,772.68, 19,156.80 and 3,536.52

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Solution

The fourth proportional to 12,772.68, 19,156.80 and 3,536.52 is: 5,304.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,772.68 : 19,156.80 = 3,536.52 : x
  2. Step 2: Convert to fraction form
    12,772.68/19,156.80 = 3,536.52/x
  3. Step 3: Cross multiply
    12,772.68x = 19,156.80 × 3,536.52
  4. Step 4: Simplify right side
    12,772.68x = 67,748,406.34
  5. Step 5: Solve for x
    x = 67,748,406.34/12,772.68
  6. Step 6: Final answer
    x = 5,304.17

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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.