Home / 12,922.28-19,385.28-4,154.28

Finding the Fourth Proportional to 12,922.28, 19,385.28 and 4,154.28

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Solution

The fourth proportional to 12,922.28, 19,385.28 and 4,154.28 is: 6,232.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,922.28 : 19,385.28 = 4,154.28 : x
  2. Step 2: Convert to fraction form
    12,922.28/19,385.28 = 4,154.28/x
  3. Step 3: Cross multiply
    12,922.28x = 19,385.28 × 4,154.28
  4. Step 4: Simplify right side
    12,922.28x = 80,531,881.00
  5. Step 5: Solve for x
    x = 80,531,881.00/12,922.28
  6. Step 6: Final answer
    x = 6,232.02

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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.