Home / 12,272.05-16,935.51-6,966.96

Finding the Fourth Proportional to 12,272.05, 16,935.51 and 6,966.96

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Solution

The fourth proportional to 12,272.05, 16,935.51 and 6,966.96 is: 9,614.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272.05 : 16,935.51 = 6,966.96 : x
  2. Step 2: Convert to fraction form
    12,272.05/16,935.51 = 6,966.96/x
  3. Step 3: Cross multiply
    12,272.05x = 16,935.51 × 6,966.96
  4. Step 4: Simplify right side
    12,272.05x = 117,989,020.75
  5. Step 5: Solve for x
    x = 117,989,020.75/12,272.05
  6. Step 6: Final answer
    x = 9,614.45

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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.