Home / 12,644.48-18,966.12-4,852.76

Finding the Fourth Proportional to 12,644.48, 18,966.12 and 4,852.76

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Solution

The fourth proportional to 12,644.48, 18,966.12 and 4,852.76 is: 7,278.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,644.48 : 18,966.12 = 4,852.76 : x
  2. Step 2: Convert to fraction form
    12,644.48/18,966.12 = 4,852.76/x
  3. Step 3: Cross multiply
    12,644.48x = 18,966.12 × 4,852.76
  4. Step 4: Simplify right side
    12,644.48x = 92,038,028.49
  5. Step 5: Solve for x
    x = 92,038,028.49/12,644.48
  6. Step 6: Final answer
    x = 7,278.91

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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.