Home / 12,109.03-16,708.65-6,802.82

Finding the Fourth Proportional to 12,109.03, 16,708.65 and 6,802.82

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Solution

The fourth proportional to 12,109.03, 16,708.65 and 6,802.82 is: 9,386.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,109.03 : 16,708.65 = 6,802.82 : x
  2. Step 2: Convert to fraction form
    12,109.03/16,708.65 = 6,802.82/x
  3. Step 3: Cross multiply
    12,109.03x = 16,708.65 × 6,802.82
  4. Step 4: Simplify right side
    12,109.03x = 113,665,892.00
  5. Step 5: Solve for x
    x = 113,665,892.00/12,109.03
  6. Step 6: Final answer
    x = 9,386.87

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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.