Home / 12,110.47-16,712.67-6,805.29

Finding the Fourth Proportional to 12,110.47, 16,712.67 and 6,805.29

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Solution

The fourth proportional to 12,110.47, 16,712.67 and 6,805.29 is: 9,391.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.47 : 16,712.67 = 6,805.29 : x
  2. Step 2: Convert to fraction form
    12,110.47/16,712.67 = 6,805.29/x
  3. Step 3: Cross multiply
    12,110.47x = 16,712.67 × 6,805.29
  4. Step 4: Simplify right side
    12,110.47x = 113,734,566.02
  5. Step 5: Solve for x
    x = 113,734,566.02/12,110.47
  6. Step 6: Final answer
    x = 9,391.42

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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.