Home / 11,928.47-17,898.77-5,353.29

Finding the Fourth Proportional to 11,928.47, 17,898.77 and 5,353.29

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Solution

The fourth proportional to 11,928.47, 17,898.77 and 5,353.29 is: 8,032.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.47 : 17,898.77 = 5,353.29 : x
  2. Step 2: Convert to fraction form
    11,928.47/17,898.77 = 5,353.29/x
  3. Step 3: Cross multiply
    11,928.47x = 17,898.77 × 5,353.29
  4. Step 4: Simplify right side
    11,928.47x = 95,817,319.84
  5. Step 5: Solve for x
    x = 95,817,319.84/11,928.47
  6. Step 6: Final answer
    x = 8,032.66

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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.