Home / 10,822.50-16,235.28-4,245.12

Finding the Fourth Proportional to 10,822.50, 16,235.28 and 4,245.12

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Solution

The fourth proportional to 10,822.50, 16,235.28 and 4,245.12 is: 6,368.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,822.50 : 16,235.28 = 4,245.12 : x
  2. Step 2: Convert to fraction form
    10,822.50/16,235.28 = 4,245.12/x
  3. Step 3: Cross multiply
    10,822.50x = 16,235.28 × 4,245.12
  4. Step 4: Simplify right side
    10,822.50x = 68,920,711.83
  5. Step 5: Solve for x
    x = 68,920,711.83/10,822.50
  6. Step 6: Final answer
    x = 6,368.28

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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.