Home / 21,645.08-32,467.78-6,853.72

Finding the Fourth Proportional to 21,645.08, 32,467.78 and 6,853.72

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Solution

The fourth proportional to 21,645.08, 32,467.78 and 6,853.72 is: 10,280.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,645.08 : 32,467.78 = 6,853.72 : x
  2. Step 2: Convert to fraction form
    21,645.08/32,467.78 = 6,853.72/x
  3. Step 3: Cross multiply
    21,645.08x = 32,467.78 × 6,853.72
  4. Step 4: Simplify right side
    21,645.08x = 222,525,073.14
  5. Step 5: Solve for x
    x = 222,525,073.14/21,645.08
  6. Step 6: Final answer
    x = 10,280.63

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1.5x scale

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.