Home / 14,135.25-21,203.51-4,774.44

Finding the Fourth Proportional to 14,135.25, 21,203.51 and 4,774.44

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Solution

The fourth proportional to 14,135.25, 21,203.51 and 4,774.44 is: 7,161.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.25 : 21,203.51 = 4,774.44 : x
  2. Step 2: Convert to fraction form
    14,135.25/21,203.51 = 4,774.44/x
  3. Step 3: Cross multiply
    14,135.25x = 21,203.51 × 4,774.44
  4. Step 4: Simplify right side
    14,135.25x = 101,234,886.28
  5. Step 5: Solve for x
    x = 101,234,886.28/14,135.25
  6. Step 6: Final answer
    x = 7,161.87

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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.