Home / 14,147.58-21,220.99-4,787.54

Finding the Fourth Proportional to 14,147.58, 21,220.99 and 4,787.54

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Solution

The fourth proportional to 14,147.58, 21,220.99 and 4,787.54 is: 7,181.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.58 : 21,220.99 = 4,787.54 : x
  2. Step 2: Convert to fraction form
    14,147.58/21,220.99 = 4,787.54/x
  3. Step 3: Cross multiply
    14,147.58x = 21,220.99 × 4,787.54
  4. Step 4: Simplify right side
    14,147.58x = 101,596,220.39
  5. Step 5: Solve for x
    x = 101,596,220.39/14,147.58
  6. Step 6: Final answer
    x = 7,181.17

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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.