Home / 11,926.83-17,896.63-9,158.46

Finding the Fourth Proportional to 11,926.83, 17,896.63 and 9,158.46

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Solution

The fourth proportional to 11,926.83, 17,896.63 and 9,158.46 is: 13,742.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.83 : 17,896.63 = 9,158.46 : x
  2. Step 2: Convert to fraction form
    11,926.83/17,896.63 = 9,158.46/x
  3. Step 3: Cross multiply
    11,926.83x = 17,896.63 × 9,158.46
  4. Step 4: Simplify right side
    11,926.83x = 163,905,569.99
  5. Step 5: Solve for x
    x = 163,905,569.99/11,926.83
  6. Step 6: Final answer
    x = 13,742.59

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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.