Home / 22,769.40-34,154.10-7,188.60

Finding the Fourth Proportional to 22,769.40, 34,154.10 and 7,188.60

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Solution

The fourth proportional to 22,769.40, 34,154.10 and 7,188.60 is: 10,782.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,769.40 : 34,154.10 = 7,188.60 : x
  2. Step 2: Convert to fraction form
    22,769.40/34,154.10 = 7,188.60/x
  3. Step 3: Cross multiply
    22,769.40x = 34,154.10 × 7,188.60
  4. Step 4: Simplify right side
    22,769.40x = 245,520,163.26
  5. Step 5: Solve for x
    x = 245,520,163.26/22,769.40
  6. Step 6: Final answer
    x = 10,782.90

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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.