Home / 15,135.81-22,709.97-6,697.89

Finding the Fourth Proportional to 15,135.81, 22,709.97 and 6,697.89

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Solution

The fourth proportional to 15,135.81, 22,709.97 and 6,697.89 is: 10,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135.81 : 22,709.97 = 6,697.89 : x
  2. Step 2: Convert to fraction form
    15,135.81/22,709.97 = 6,697.89/x
  3. Step 3: Cross multiply
    15,135.81x = 22,709.97 × 6,697.89
  4. Step 4: Simplify right side
    15,135.81x = 152,108,880.96
  5. Step 5: Solve for x
    x = 152,108,880.96/15,135.81
  6. Step 6: Final answer
    x = 10,049.60

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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.