Home / 19,465.75-29,217.09-12,047.77

Finding the Fourth Proportional to 19,465.75, 29,217.09 and 12,047.77

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Solution

The fourth proportional to 19,465.75, 29,217.09 and 12,047.77 is: 18,083.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,465.75 : 29,217.09 = 12,047.77 : x
  2. Step 2: Convert to fraction form
    19,465.75/29,217.09 = 12,047.77/x
  3. Step 3: Cross multiply
    19,465.75x = 29,217.09 × 12,047.77
  4. Step 4: Simplify right side
    19,465.75x = 352,000,720.15
  5. Step 5: Solve for x
    x = 352,000,720.15/19,465.75
  6. Step 6: Final answer
    x = 18,083.08

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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.