Home / 34,278.76-51,423.90-10,912.36

Finding the Fourth Proportional to 34,278.76, 51,423.90 and 10,912.36

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Solution

The fourth proportional to 34,278.76, 51,423.90 and 10,912.36 is: 16,370.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,278.76 : 51,423.90 = 10,912.36 : x
  2. Step 2: Convert to fraction form
    34,278.76/51,423.90 = 10,912.36/x
  3. Step 3: Cross multiply
    34,278.76x = 51,423.90 × 10,912.36
  4. Step 4: Simplify right side
    34,278.76x = 561,156,109.40
  5. Step 5: Solve for x
    x = 561,156,109.40/34,278.76
  6. Step 6: Final answer
    x = 16,370.37

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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.