Home / 11,892.56-16,411.74-6,587.72

Finding the Fourth Proportional to 11,892.56, 16,411.74 and 6,587.72

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Solution

The fourth proportional to 11,892.56, 16,411.74 and 6,587.72 is: 9,091.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,892.56 : 16,411.74 = 6,587.72 : x
  2. Step 2: Convert to fraction form
    11,892.56/16,411.74 = 6,587.72/x
  3. Step 3: Cross multiply
    11,892.56x = 16,411.74 × 6,587.72
  4. Step 4: Simplify right side
    11,892.56x = 108,115,964.16
  5. Step 5: Solve for x
    x = 108,115,964.16/11,892.56
  6. Step 6: Final answer
    x = 9,091.06

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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.