Home / 10,065.40-15,093.22-4,220.44

Finding the Fourth Proportional to 10,065.40, 15,093.22 and 4,220.44

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Solution

The fourth proportional to 10,065.40, 15,093.22 and 4,220.44 is: 6,328.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,065.40 : 15,093.22 = 4,220.44 : x
  2. Step 2: Convert to fraction form
    10,065.40/15,093.22 = 4,220.44/x
  3. Step 3: Cross multiply
    10,065.40x = 15,093.22 × 4,220.44
  4. Step 4: Simplify right side
    10,065.40x = 63,700,029.42
  5. Step 5: Solve for x
    x = 63,700,029.42/10,065.40
  6. Step 6: Final answer
    x = 6,328.61

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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.