Home / 15,553.75-23,330.70-5,165.50

Finding the Fourth Proportional to 15,553.75, 23,330.70 and 5,165.50

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Solution

The fourth proportional to 15,553.75, 23,330.70 and 5,165.50 is: 7,748.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553.75 : 23,330.70 = 5,165.50 : x
  2. Step 2: Convert to fraction form
    15,553.75/23,330.70 = 5,165.50/x
  3. Step 3: Cross multiply
    15,553.75x = 23,330.70 × 5,165.50
  4. Step 4: Simplify right side
    15,553.75x = 120,514,730.85
  5. Step 5: Solve for x
    x = 120,514,730.85/15,553.75
  6. Step 6: Final answer
    x = 7,748.27

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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.