Home / 10,199.85-15,291.46-3,956.64

Finding the Fourth Proportional to 10,199.85, 15,291.46 and 3,956.64

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Solution

The fourth proportional to 10,199.85, 15,291.46 and 3,956.64 is: 5,931.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,199.85 : 15,291.46 = 3,956.64 : x
  2. Step 2: Convert to fraction form
    10,199.85/15,291.46 = 3,956.64/x
  3. Step 3: Cross multiply
    10,199.85x = 15,291.46 × 3,956.64
  4. Step 4: Simplify right side
    10,199.85x = 60,502,802.29
  5. Step 5: Solve for x
    x = 60,502,802.29/10,199.85
  6. Step 6: Final answer
    x = 5,931.73

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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.