Home / 22,711.09-34,017.40-10,999.75

Finding the Fourth Proportional to 22,711.09, 34,017.40 and 10,999.75

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Solution

The fourth proportional to 22,711.09, 34,017.40 and 10,999.75 is: 16,475.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,711.09 : 34,017.40 = 10,999.75 : x
  2. Step 2: Convert to fraction form
    22,711.09/34,017.40 = 10,999.75/x
  3. Step 3: Cross multiply
    22,711.09x = 34,017.40 × 10,999.75
  4. Step 4: Simplify right side
    22,711.09x = 374,182,895.65
  5. Step 5: Solve for x
    x = 374,182,895.65/22,711.09
  6. Step 6: Final answer
    x = 16,475.78

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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.