Home / 12,122.04-16,727.82-6,817.32

Finding the Fourth Proportional to 12,122.04, 16,727.82 and 6,817.32

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Solution

The fourth proportional to 12,122.04, 16,727.82 and 6,817.32 is: 9,407.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,122.04 : 16,727.82 = 6,817.32 : x
  2. Step 2: Convert to fraction form
    12,122.04/16,727.82 = 6,817.32/x
  3. Step 3: Cross multiply
    12,122.04x = 16,727.82 × 6,817.32
  4. Step 4: Simplify right side
    12,122.04x = 114,038,901.84
  5. Step 5: Solve for x
    x = 114,038,901.84/12,122.04
  6. Step 6: Final answer
    x = 9,407.57

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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.