Home / 10,105.02-15,145.61-4,551.84

Finding the Fourth Proportional to 10,105.02, 15,145.61 and 4,551.84

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Solution

The fourth proportional to 10,105.02, 15,145.61 and 4,551.84 is: 6,822.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,105.02 : 15,145.61 = 4,551.84 : x
  2. Step 2: Convert to fraction form
    10,105.02/15,145.61 = 4,551.84/x
  3. Step 3: Cross multiply
    10,105.02x = 15,145.61 × 4,551.84
  4. Step 4: Simplify right side
    10,105.02x = 68,940,370.66
  5. Step 5: Solve for x
    x = 68,940,370.66/10,105.02
  6. Step 6: Final answer
    x = 6,822.39

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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.