Home / 10,387.36-15,582.86-4,467.88

Finding the Fourth Proportional to 10,387.36, 15,582.86 and 4,467.88

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Solution

The fourth proportional to 10,387.36, 15,582.86 and 4,467.88 is: 6,702.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387.36 : 15,582.86 = 4,467.88 : x
  2. Step 2: Convert to fraction form
    10,387.36/15,582.86 = 4,467.88/x
  3. Step 3: Cross multiply
    10,387.36x = 15,582.86 × 4,467.88
  4. Step 4: Simplify right side
    10,387.36x = 69,622,262.21
  5. Step 5: Solve for x
    x = 69,622,262.21/10,387.36
  6. Step 6: Final answer
    x = 6,702.60

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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.