Home / 19,267.88-28,901.54-6,120.04

Finding the Fourth Proportional to 19,267.88, 28,901.54 and 6,120.04

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Solution

The fourth proportional to 19,267.88, 28,901.54 and 6,120.04 is: 9,179.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,267.88 : 28,901.54 = 6,120.04 : x
  2. Step 2: Convert to fraction form
    19,267.88/28,901.54 = 6,120.04/x
  3. Step 3: Cross multiply
    19,267.88x = 28,901.54 × 6,120.04
  4. Step 4: Simplify right side
    19,267.88x = 176,878,580.86
  5. Step 5: Solve for x
    x = 176,878,580.86/19,267.88
  6. Step 6: Final answer
    x = 9,179.97

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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.