Home / 10,800.07-16,200.10-4,228.13

Finding the Fourth Proportional to 10,800.07, 16,200.10 and 4,228.13

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Solution

The fourth proportional to 10,800.07, 16,200.10 and 4,228.13 is: 6,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,800.07 : 16,200.10 = 4,228.13 : x
  2. Step 2: Convert to fraction form
    10,800.07/16,200.10 = 4,228.13/x
  3. Step 3: Cross multiply
    10,800.07x = 16,200.10 × 4,228.13
  4. Step 4: Simplify right side
    10,800.07x = 68,496,174.60
  5. Step 5: Solve for x
    x = 68,496,174.60/10,800.07
  6. Step 6: Final answer
    x = 6,342.20

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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.