Home / 10,733.76-16,102.36-5,187.51

Finding the Fourth Proportional to 10,733.76, 16,102.36 and 5,187.51

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Solution

The fourth proportional to 10,733.76, 16,102.36 and 5,187.51 is: 7,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,733.76 : 16,102.36 = 5,187.51 : x
  2. Step 2: Convert to fraction form
    10,733.76/16,102.36 = 5,187.51/x
  3. Step 3: Cross multiply
    10,733.76x = 16,102.36 × 5,187.51
  4. Step 4: Simplify right side
    10,733.76x = 83,531,153.52
  5. Step 5: Solve for x
    x = 83,531,153.52/10,733.76
  6. Step 6: Final answer
    x = 7,782.10

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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.