Home / 10,619.76-15,929.03-5,076.93

Finding the Fourth Proportional to 10,619.76, 15,929.03 and 5,076.93

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Solution

The fourth proportional to 10,619.76, 15,929.03 and 5,076.93 is: 7,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.76 : 15,929.03 = 5,076.93 : x
  2. Step 2: Convert to fraction form
    10,619.76/15,929.03 = 5,076.93/x
  3. Step 3: Cross multiply
    10,619.76x = 15,929.03 × 5,076.93
  4. Step 4: Simplify right side
    10,619.76x = 80,870,582.97
  5. Step 5: Solve for x
    x = 80,870,582.97/10,619.76
  6. Step 6: Final answer
    x = 7,615.10

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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.