Home / 19,917.12-29,880.81-5,876.58

Finding the Fourth Proportional to 19,917.12, 29,880.81 and 5,876.58

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Solution

The fourth proportional to 19,917.12, 29,880.81 and 5,876.58 is: 8,816.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,917.12 : 29,880.81 = 5,876.58 : x
  2. Step 2: Convert to fraction form
    19,917.12/29,880.81 = 5,876.58/x
  3. Step 3: Cross multiply
    19,917.12x = 29,880.81 × 5,876.58
  4. Step 4: Simplify right side
    19,917.12x = 175,596,985.74
  5. Step 5: Solve for x
    x = 175,596,985.74/19,917.12
  6. Step 6: Final answer
    x = 8,816.38

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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.