Home / 11,926.77-17,890.98-5,685.72

Finding the Fourth Proportional to 11,926.77, 17,890.98 and 5,685.72

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Solution

The fourth proportional to 11,926.77, 17,890.98 and 5,685.72 is: 8,528.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.77 : 17,890.98 = 5,685.72 : x
  2. Step 2: Convert to fraction form
    11,926.77/17,890.98 = 5,685.72/x
  3. Step 3: Cross multiply
    11,926.77x = 17,890.98 × 5,685.72
  4. Step 4: Simplify right side
    11,926.77x = 101,723,102.81
  5. Step 5: Solve for x
    x = 101,723,102.81/11,926.77
  6. Step 6: Final answer
    x = 8,528.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.