Home / 34,102.85-51,154.38-11,916.23

Finding the Fourth Proportional to 34,102.85, 51,154.38 and 11,916.23

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Solution

The fourth proportional to 34,102.85, 51,154.38 and 11,916.23 is: 17,874.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,102.85 : 51,154.38 = 11,916.23 : x
  2. Step 2: Convert to fraction form
    34,102.85/51,154.38 = 11,916.23/x
  3. Step 3: Cross multiply
    34,102.85x = 51,154.38 × 11,916.23
  4. Step 4: Simplify right side
    34,102.85x = 609,567,485.47
  5. Step 5: Solve for x
    x = 609,567,485.47/34,102.85
  6. Step 6: Final answer
    x = 17,874.38

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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.