Home / 12,146.09-16,761.66-6,841.00

Finding the Fourth Proportional to 12,146.09, 16,761.66 and 6,841.00

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Solution

The fourth proportional to 12,146.09, 16,761.66 and 6,841.00 is: 9,440.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,146.09 : 16,761.66 = 6,841.00 : x
  2. Step 2: Convert to fraction form
    12,146.09/16,761.66 = 6,841.00/x
  3. Step 3: Cross multiply
    12,146.09x = 16,761.66 × 6,841.00
  4. Step 4: Simplify right side
    12,146.09x = 114,666,432.25
  5. Step 5: Solve for x
    x = 114,666,432.25/12,146.09
  6. Step 6: Final answer
    x = 9,440.60

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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.