Home / 14,143.24-21,209.08-6,138.52

Finding the Fourth Proportional to 14,143.24, 21,209.08 and 6,138.52

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Solution

The fourth proportional to 14,143.24, 21,209.08 and 6,138.52 is: 9,205.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,143.24 : 21,209.08 = 6,138.52 : x
  2. Step 2: Convert to fraction form
    14,143.24/21,209.08 = 6,138.52/x
  3. Step 3: Cross multiply
    14,143.24x = 21,209.08 × 6,138.52
  4. Step 4: Simplify right side
    14,143.24x = 130,192,361.76
  5. Step 5: Solve for x
    x = 130,192,361.76/14,143.24
  6. Step 6: Final answer
    x = 9,205.27

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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.