Home / 11,187.29-16,784.87-4,946.49

Finding the Fourth Proportional to 11,187.29, 16,784.87 and 4,946.49

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Solution

The fourth proportional to 11,187.29, 16,784.87 and 4,946.49 is: 7,421.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.29 : 16,784.87 = 4,946.49 : x
  2. Step 2: Convert to fraction form
    11,187.29/16,784.87 = 4,946.49/x
  3. Step 3: Cross multiply
    11,187.29x = 16,784.87 × 4,946.49
  4. Step 4: Simplify right side
    11,187.29x = 83,026,166.87
  5. Step 5: Solve for x
    x = 83,026,166.87/11,187.29
  6. Step 6: Final answer
    x = 7,421.47

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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.