Home / 19,011.62-28,475.90-9,635.54

Finding the Fourth Proportional to 19,011.62, 28,475.90 and 9,635.54

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Solution

The fourth proportional to 19,011.62, 28,475.90 and 9,635.54 is: 14,432.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011.62 : 28,475.90 = 9,635.54 : x
  2. Step 2: Convert to fraction form
    19,011.62/28,475.90 = 9,635.54/x
  3. Step 3: Cross multiply
    19,011.62x = 28,475.90 × 9,635.54
  4. Step 4: Simplify right side
    19,011.62x = 274,380,673.49
  5. Step 5: Solve for x
    x = 274,380,673.49/19,011.62
  6. Step 6: Final answer
    x = 14,432.26

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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.