Home / 12,356.66-16,996.89-10,836.74

Finding the Fourth Proportional to 12,356.66, 16,996.89 and 10,836.74

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Solution

The fourth proportional to 12,356.66, 16,996.89 and 10,836.74 is: 14,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356.66 : 16,996.89 = 10,836.74 : x
  2. Step 2: Convert to fraction form
    12,356.66/16,996.89 = 10,836.74/x
  3. Step 3: Cross multiply
    12,356.66x = 16,996.89 × 10,836.74
  4. Step 4: Simplify right side
    12,356.66x = 184,190,877.74
  5. Step 5: Solve for x
    x = 184,190,877.74/12,356.66
  6. Step 6: Final answer
    x = 14,906.20

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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.