Home / 19,669.91-29,498.48-6,518.75

Finding the Fourth Proportional to 19,669.91, 29,498.48 and 6,518.75

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Solution

The fourth proportional to 19,669.91, 29,498.48 and 6,518.75 is: 9,776.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,669.91 : 29,498.48 = 6,518.75 : x
  2. Step 2: Convert to fraction form
    19,669.91/29,498.48 = 6,518.75/x
  3. Step 3: Cross multiply
    19,669.91x = 29,498.48 × 6,518.75
  4. Step 4: Simplify right side
    19,669.91x = 192,293,183.91
  5. Step 5: Solve for x
    x = 192,293,183.91/19,669.91
  6. Step 6: Final answer
    x = 9,776.01

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1.5x scale

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.