Home / 19,852.87-29,774.76-11,849.90

Finding the Fourth Proportional to 19,852.87, 29,774.76 and 11,849.90

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Solution

The fourth proportional to 19,852.87, 29,774.76 and 11,849.90 is: 17,772.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,852.87 : 29,774.76 = 11,849.90 : x
  2. Step 2: Convert to fraction form
    19,852.87/29,774.76 = 11,849.90/x
  3. Step 3: Cross multiply
    19,852.87x = 29,774.76 × 11,849.90
  4. Step 4: Simplify right side
    19,852.87x = 352,827,720.40
  5. Step 5: Solve for x
    x = 352,827,720.40/19,852.87
  6. Step 6: Final answer
    x = 17,772.13

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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.