Home / 15,278.81-22,917.11-4,748.58

Finding the Fourth Proportional to 15,278.81, 22,917.11 and 4,748.58

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Solution

The fourth proportional to 15,278.81, 22,917.11 and 4,748.58 is: 7,122.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,278.81 : 22,917.11 = 4,748.58 : x
  2. Step 2: Convert to fraction form
    15,278.81/22,917.11 = 4,748.58/x
  3. Step 3: Cross multiply
    15,278.81x = 22,917.11 × 4,748.58
  4. Step 4: Simplify right side
    15,278.81x = 108,823,706.46
  5. Step 5: Solve for x
    x = 108,823,706.46/15,278.81
  6. Step 6: Final answer
    x = 7,122.53

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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.