Home / 14,181.37-21,275.23-4,321.42

Finding the Fourth Proportional to 14,181.37, 21,275.23 and 4,321.42

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Solution

The fourth proportional to 14,181.37, 21,275.23 and 4,321.42 is: 6,483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.37 : 21,275.23 = 4,321.42 : x
  2. Step 2: Convert to fraction form
    14,181.37/21,275.23 = 4,321.42/x
  3. Step 3: Cross multiply
    14,181.37x = 21,275.23 × 4,321.42
  4. Step 4: Simplify right side
    14,181.37x = 91,939,193.62
  5. Step 5: Solve for x
    x = 91,939,193.62/14,181.37
  6. Step 6: Final answer
    x = 6,483.10

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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.