Home / 12,316.28-16,996.11-6,727.28

Finding the Fourth Proportional to 12,316.28, 16,996.11 and 6,727.28

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Solution

The fourth proportional to 12,316.28, 16,996.11 and 6,727.28 is: 9,283.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316.28 : 16,996.11 = 6,727.28 : x
  2. Step 2: Convert to fraction form
    12,316.28/16,996.11 = 6,727.28/x
  3. Step 3: Cross multiply
    12,316.28x = 16,996.11 × 6,727.28
  4. Step 4: Simplify right side
    12,316.28x = 114,337,590.88
  5. Step 5: Solve for x
    x = 114,337,590.88/12,316.28
  6. Step 6: Final answer
    x = 9,283.45

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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.