Home / 12,106.97-16,707.87-6,802.13

Finding the Fourth Proportional to 12,106.97, 16,707.87 and 6,802.13

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Solution

The fourth proportional to 12,106.97, 16,707.87 and 6,802.13 is: 9,387.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,106.97 : 16,707.87 = 6,802.13 : x
  2. Step 2: Convert to fraction form
    12,106.97/16,707.87 = 6,802.13/x
  3. Step 3: Cross multiply
    12,106.97x = 16,707.87 × 6,802.13
  4. Step 4: Simplify right side
    12,106.97x = 113,649,051.55
  5. Step 5: Solve for x
    x = 113,649,051.55/12,106.97
  6. Step 6: Final answer
    x = 9,387.08

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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.