Home / 14,134.21-21,181.50-10,621.98

Finding the Fourth Proportional to 14,134.21, 21,181.50 and 10,621.98

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Solution

The fourth proportional to 14,134.21, 21,181.50 and 10,621.98 is: 15,918.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,134.21 : 21,181.50 = 10,621.98 : x
  2. Step 2: Convert to fraction form
    14,134.21/21,181.50 = 10,621.98/x
  3. Step 3: Cross multiply
    14,134.21x = 21,181.50 × 10,621.98
  4. Step 4: Simplify right side
    14,134.21x = 224,989,469.37
  5. Step 5: Solve for x
    x = 224,989,469.37/14,134.21
  6. Step 6: Final answer
    x = 15,918.08

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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.