Home / 19,977.08-29,971.14-8,733.40

Finding the Fourth Proportional to 19,977.08, 29,971.14 and 8,733.40

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Solution

The fourth proportional to 19,977.08, 29,971.14 and 8,733.40 is: 13,102.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,977.08 : 29,971.14 = 8,733.40 : x
  2. Step 2: Convert to fraction form
    19,977.08/29,971.14 = 8,733.40/x
  3. Step 3: Cross multiply
    19,977.08x = 29,971.14 × 8,733.40
  4. Step 4: Simplify right side
    19,977.08x = 261,749,954.08
  5. Step 5: Solve for x
    x = 261,749,954.08/19,977.08
  6. Step 6: Final answer
    x = 13,102.51

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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.