Home / 11,688.97-17,533.45-2,923.88

Finding the Fourth Proportional to 11,688.97, 17,533.45 and 2,923.88

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Solution

The fourth proportional to 11,688.97, 17,533.45 and 2,923.88 is: 4,385.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.97 : 17,533.45 = 2,923.88 : x
  2. Step 2: Convert to fraction form
    11,688.97/17,533.45 = 2,923.88/x
  3. Step 3: Cross multiply
    11,688.97x = 17,533.45 × 2,923.88
  4. Step 4: Simplify right side
    11,688.97x = 51,265,703.79
  5. Step 5: Solve for x
    x = 51,265,703.79/11,688.97
  6. Step 6: Final answer
    x = 4,385.82

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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.