Home / 9,929.12-14,899.83-5,771.09

Finding the Fourth Proportional to 9,929.12, 14,899.83 and 5,771.09

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Solution

The fourth proportional to 9,929.12, 14,899.83 and 5,771.09 is: 8,660.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,929.12 : 14,899.83 = 5,771.09 : x
  2. Step 2: Convert to fraction form
    9,929.12/14,899.83 = 5,771.09/x
  3. Step 3: Cross multiply
    9,929.12x = 14,899.83 × 5,771.09
  4. Step 4: Simplify right side
    9,929.12x = 85,988,185.42
  5. Step 5: Solve for x
    x = 85,988,185.42/9,929.12
  6. Step 6: Final answer
    x = 8,660.21

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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.