Home / 11,248.79-16,857.47-5,323.39

Finding the Fourth Proportional to 11,248.79, 16,857.47 and 5,323.39

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Solution

The fourth proportional to 11,248.79, 16,857.47 and 5,323.39 is: 7,977.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248.79 : 16,857.47 = 5,323.39 : x
  2. Step 2: Convert to fraction form
    11,248.79/16,857.47 = 5,323.39/x
  3. Step 3: Cross multiply
    11,248.79x = 16,857.47 × 5,323.39
  4. Step 4: Simplify right side
    11,248.79x = 89,738,828.44
  5. Step 5: Solve for x
    x = 89,738,828.44/11,248.79
  6. Step 6: Final answer
    x = 7,977.64

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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.