Home / 12,110.47-16,712.31-6,806.19

Finding the Fourth Proportional to 12,110.47, 16,712.31 and 6,806.19

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Solution

The fourth proportional to 12,110.47, 16,712.31 and 6,806.19 is: 9,392.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.47 : 16,712.31 = 6,806.19 : x
  2. Step 2: Convert to fraction form
    12,110.47/16,712.31 = 6,806.19/x
  3. Step 3: Cross multiply
    12,110.47x = 16,712.31 × 6,806.19
  4. Step 4: Simplify right side
    12,110.47x = 113,747,081.39
  5. Step 5: Solve for x
    x = 113,747,081.39/12,110.47
  6. Step 6: Final answer
    x = 9,392.46

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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.