Home / 16,984.36-25,429.30-8,646.42

Finding the Fourth Proportional to 16,984.36, 25,429.30 and 8,646.42

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Solution

The fourth proportional to 16,984.36, 25,429.30 and 8,646.42 is: 12,945.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,984.36 : 25,429.30 = 8,646.42 : x
  2. Step 2: Convert to fraction form
    16,984.36/25,429.30 = 8,646.42/x
  3. Step 3: Cross multiply
    16,984.36x = 25,429.30 × 8,646.42
  4. Step 4: Simplify right side
    16,984.36x = 219,872,408.11
  5. Step 5: Solve for x
    x = 219,872,408.11/16,984.36
  6. Step 6: Final answer
    x = 12,945.58

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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.