Home / 19,864.12-29,794.62-8,771.08

Finding the Fourth Proportional to 19,864.12, 29,794.62 and 8,771.08

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Solution

The fourth proportional to 19,864.12, 29,794.62 and 8,771.08 is: 13,155.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864.12 : 29,794.62 = 8,771.08 : x
  2. Step 2: Convert to fraction form
    19,864.12/29,794.62 = 8,771.08/x
  3. Step 3: Cross multiply
    19,864.12x = 29,794.62 × 8,771.08
  4. Step 4: Simplify right side
    19,864.12x = 261,330,995.59
  5. Step 5: Solve for x
    x = 261,330,995.59/19,864.12
  6. Step 6: Final answer
    x = 13,155.93

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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.