Home / 12,552.77-18,829.29-3,787.76

Finding the Fourth Proportional to 12,552.77, 18,829.29 and 3,787.76

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Solution

The fourth proportional to 12,552.77, 18,829.29 and 3,787.76 is: 5,681.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.77 : 18,829.29 = 3,787.76 : x
  2. Step 2: Convert to fraction form
    12,552.77/18,829.29 = 3,787.76/x
  3. Step 3: Cross multiply
    12,552.77x = 18,829.29 × 3,787.76
  4. Step 4: Simplify right side
    12,552.77x = 71,320,737.34
  5. Step 5: Solve for x
    x = 71,320,737.34/12,552.77
  6. Step 6: Final answer
    x = 5,681.68

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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.