Home / 19,947.84-29,858.58-11,156.10

Finding the Fourth Proportional to 19,947.84, 29,858.58 and 11,156.10

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Solution

The fourth proportional to 19,947.84, 29,858.58 and 11,156.10 is: 16,698.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,947.84 : 29,858.58 = 11,156.10 : x
  2. Step 2: Convert to fraction form
    19,947.84/29,858.58 = 11,156.10/x
  3. Step 3: Cross multiply
    19,947.84x = 29,858.58 × 11,156.10
  4. Step 4: Simplify right side
    19,947.84x = 333,105,304.34
  5. Step 5: Solve for x
    x = 333,105,304.34/19,947.84
  6. Step 6: Final answer
    x = 16,698.82

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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.