Home / 10,530.58-15,772.83-6,417.94

Finding the Fourth Proportional to 10,530.58, 15,772.83 and 6,417.94

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Solution

The fourth proportional to 10,530.58, 15,772.83 and 6,417.94 is: 9,612.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.58 : 15,772.83 = 6,417.94 : x
  2. Step 2: Convert to fraction form
    10,530.58/15,772.83 = 6,417.94/x
  3. Step 3: Cross multiply
    10,530.58x = 15,772.83 × 6,417.94
  4. Step 4: Simplify right side
    10,530.58x = 101,229,076.57
  5. Step 5: Solve for x
    x = 101,229,076.57/10,530.58
  6. Step 6: Final answer
    x = 9,612.87

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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.