Home / 10,619.34-15,928.74-5,076.60

Finding the Fourth Proportional to 10,619.34, 15,928.74 and 5,076.60

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Solution

The fourth proportional to 10,619.34, 15,928.74 and 5,076.60 is: 7,614.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.34 : 15,928.74 = 5,076.60 : x
  2. Step 2: Convert to fraction form
    10,619.34/15,928.74 = 5,076.60/x
  3. Step 3: Cross multiply
    10,619.34x = 15,928.74 × 5,076.60
  4. Step 4: Simplify right side
    10,619.34x = 80,863,841.48
  5. Step 5: Solve for x
    x = 80,863,841.48/10,619.34
  6. Step 6: Final answer
    x = 7,614.77

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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.