Home / 12,206.10-16,844.17-7,169.93

Finding the Fourth Proportional to 12,206.10, 16,844.17 and 7,169.93

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Solution

The fourth proportional to 12,206.10, 16,844.17 and 7,169.93 is: 9,894.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206.10 : 16,844.17 = 7,169.93 : x
  2. Step 2: Convert to fraction form
    12,206.10/16,844.17 = 7,169.93/x
  3. Step 3: Cross multiply
    12,206.10x = 16,844.17 × 7,169.93
  4. Step 4: Simplify right side
    12,206.10x = 120,771,519.81
  5. Step 5: Solve for x
    x = 120,771,519.81/12,206.10
  6. Step 6: Final answer
    x = 9,894.36

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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.