Home / 19,887.11-29,830.50-5,095.82

Finding the Fourth Proportional to 19,887.11, 29,830.50 and 5,095.82

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Solution

The fourth proportional to 19,887.11, 29,830.50 and 5,095.82 is: 7,643.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,887.11 : 29,830.50 = 5,095.82 : x
  2. Step 2: Convert to fraction form
    19,887.11/29,830.50 = 5,095.82/x
  3. Step 3: Cross multiply
    19,887.11x = 29,830.50 × 5,095.82
  4. Step 4: Simplify right side
    19,887.11x = 152,010,765.29
  5. Step 5: Solve for x
    x = 152,010,765.29/19,887.11
  6. Step 6: Final answer
    x = 7,643.68

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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.