Home / 11,878.17-17,821.30-4,484.76

Finding the Fourth Proportional to 11,878.17, 17,821.30 and 4,484.76

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Solution

The fourth proportional to 11,878.17, 17,821.30 and 4,484.76 is: 6,728.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,878.17 : 17,821.30 = 4,484.76 : x
  2. Step 2: Convert to fraction form
    11,878.17/17,821.30 = 4,484.76/x
  3. Step 3: Cross multiply
    11,878.17x = 17,821.30 × 4,484.76
  4. Step 4: Simplify right side
    11,878.17x = 79,924,253.39
  5. Step 5: Solve for x
    x = 79,924,253.39/11,878.17
  6. Step 6: Final answer
    x = 6,728.67

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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.