Home / 11,068.48-16,605.20-4,143.04

Finding the Fourth Proportional to 11,068.48, 16,605.20 and 4,143.04

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Solution

The fourth proportional to 11,068.48, 16,605.20 and 4,143.04 is: 6,215.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,068.48 : 16,605.20 = 4,143.04 : x
  2. Step 2: Convert to fraction form
    11,068.48/16,605.20 = 4,143.04/x
  3. Step 3: Cross multiply
    11,068.48x = 16,605.20 × 4,143.04
  4. Step 4: Simplify right side
    11,068.48x = 68,796,007.81
  5. Step 5: Solve for x
    x = 68,796,007.81/11,068.48
  6. Step 6: Final answer
    x = 6,215.49

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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.