Home / 10,576.50-15,865.65-2,785.34

Finding the Fourth Proportional to 10,576.50, 15,865.65 and 2,785.34

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Solution

The fourth proportional to 10,576.50, 15,865.65 and 2,785.34 is: 4,178.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,576.50 : 15,865.65 = 2,785.34 : x
  2. Step 2: Convert to fraction form
    10,576.50/15,865.65 = 2,785.34/x
  3. Step 3: Cross multiply
    10,576.50x = 15,865.65 × 2,785.34
  4. Step 4: Simplify right side
    10,576.50x = 44,191,150.24
  5. Step 5: Solve for x
    x = 44,191,150.24/10,576.50
  6. Step 6: Final answer
    x = 4,178.24

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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.