Home / 14,027.21-21,045.43-5,144.23

Finding the Fourth Proportional to 14,027.21, 21,045.43 and 5,144.23

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Solution

The fourth proportional to 14,027.21, 21,045.43 and 5,144.23 is: 7,718.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,027.21 : 21,045.43 = 5,144.23 : x
  2. Step 2: Convert to fraction form
    14,027.21/21,045.43 = 5,144.23/x
  3. Step 3: Cross multiply
    14,027.21x = 21,045.43 × 5,144.23
  4. Step 4: Simplify right side
    14,027.21x = 108,262,631.53
  5. Step 5: Solve for x
    x = 108,262,631.53/14,027.21
  6. Step 6: Final answer
    x = 7,718.04

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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.