Home / 14,136.21-21,203.64-4,775.58

Finding the Fourth Proportional to 14,136.21, 21,203.64 and 4,775.58

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Solution

The fourth proportional to 14,136.21, 21,203.64 and 4,775.58 is: 7,163.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136.21 : 21,203.64 = 4,775.58 : x
  2. Step 2: Convert to fraction form
    14,136.21/21,203.64 = 4,775.58/x
  3. Step 3: Cross multiply
    14,136.21x = 21,203.64 × 4,775.58
  4. Step 4: Simplify right side
    14,136.21x = 101,259,679.11
  5. Step 5: Solve for x
    x = 101,259,679.11/14,136.21
  6. Step 6: Final answer
    x = 7,163.14

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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.