Home / 12,609.10-18,924.45-5,599.90

Finding the Fourth Proportional to 12,609.10, 18,924.45 and 5,599.90

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Solution

The fourth proportional to 12,609.10, 18,924.45 and 5,599.90 is: 8,404.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,609.10 : 18,924.45 = 5,599.90 : x
  2. Step 2: Convert to fraction form
    12,609.10/18,924.45 = 5,599.90/x
  3. Step 3: Cross multiply
    12,609.10x = 18,924.45 × 5,599.90
  4. Step 4: Simplify right side
    12,609.10x = 105,975,027.56
  5. Step 5: Solve for x
    x = 105,975,027.56/12,609.10
  6. Step 6: Final answer
    x = 8,404.65

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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.