Home / 12,404.13-17,117.83-6,815.13

Finding the Fourth Proportional to 12,404.13, 17,117.83 and 6,815.13

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Solution

The fourth proportional to 12,404.13, 17,117.83 and 6,815.13 is: 9,404.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,404.13 : 17,117.83 = 6,815.13 : x
  2. Step 2: Convert to fraction form
    12,404.13/17,117.83 = 6,815.13/x
  3. Step 3: Cross multiply
    12,404.13x = 17,117.83 × 6,815.13
  4. Step 4: Simplify right side
    12,404.13x = 116,660,236.77
  5. Step 5: Solve for x
    x = 116,660,236.77/12,404.13
  6. Step 6: Final answer
    x = 9,404.95

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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.