Home / 19,765.86-29,647.98-6,617.22

Finding the Fourth Proportional to 19,765.86, 29,647.98 and 6,617.22

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Solution

The fourth proportional to 19,765.86, 29,647.98 and 6,617.22 is: 9,925.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765.86 : 29,647.98 = 6,617.22 : x
  2. Step 2: Convert to fraction form
    19,765.86/29,647.98 = 6,617.22/x
  3. Step 3: Cross multiply
    19,765.86x = 29,647.98 × 6,617.22
  4. Step 4: Simplify right side
    19,765.86x = 196,187,206.22
  5. Step 5: Solve for x
    x = 196,187,206.22/19,765.86
  6. Step 6: Final answer
    x = 9,925.56

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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.