Home / 12,114.94-16,719.10-6,809.74

Finding the Fourth Proportional to 12,114.94, 16,719.10 and 6,809.74

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Solution

The fourth proportional to 12,114.94, 16,719.10 and 6,809.74 is: 9,397.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,114.94 : 16,719.10 = 6,809.74 : x
  2. Step 2: Convert to fraction form
    12,114.94/16,719.10 = 6,809.74/x
  3. Step 3: Cross multiply
    12,114.94x = 16,719.10 × 6,809.74
  4. Step 4: Simplify right side
    12,114.94x = 113,852,724.03
  5. Step 5: Solve for x
    x = 113,852,724.03/12,114.94
  6. Step 6: Final answer
    x = 9,397.71

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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.