Home / 10,625.32-15,938-4,388.88

Finding the Fourth Proportional to 10,625.32, 15,938 and 4,388.88

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Solution

The fourth proportional to 10,625.32, 15,938 and 4,388.88 is: 6,583.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,625.32 : 15,938 = 4,388.88 : x
  2. Step 2: Convert to fraction form
    10,625.32/15,938 = 4,388.88/x
  3. Step 3: Cross multiply
    10,625.32x = 15,938 × 4,388.88
  4. Step 4: Simplify right side
    10,625.32x = 69,949,969.44
  5. Step 5: Solve for x
    x = 69,949,969.44/10,625.32
  6. Step 6: Final answer
    x = 6,583.33

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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.