Home / 12,200.04-16,838.28-6,896.16

Finding the Fourth Proportional to 12,200.04, 16,838.28 and 6,896.16

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Solution

The fourth proportional to 12,200.04, 16,838.28 and 6,896.16 is: 9,517.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,200.04 : 16,838.28 = 6,896.16 : x
  2. Step 2: Convert to fraction form
    12,200.04/16,838.28 = 6,896.16/x
  3. Step 3: Cross multiply
    12,200.04x = 16,838.28 × 6,896.16
  4. Step 4: Simplify right side
    12,200.04x = 116,119,473.00
  5. Step 5: Solve for x
    x = 116,119,473.00/12,200.04
  6. Step 6: Final answer
    x = 9,517.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.