Home / 16,789.10-25,135.04-12,646.58

Finding the Fourth Proportional to 16,789.10, 25,135.04 and 12,646.58

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Solution

The fourth proportional to 16,789.10, 25,135.04 and 12,646.58 is: 18,933.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,789.10 : 25,135.04 = 12,646.58 : x
  2. Step 2: Convert to fraction form
    16,789.10/25,135.04 = 12,646.58/x
  3. Step 3: Cross multiply
    16,789.10x = 25,135.04 × 12,646.58
  4. Step 4: Simplify right side
    16,789.10x = 317,872,294.16
  5. Step 5: Solve for x
    x = 317,872,294.16/16,789.10
  6. Step 6: Final answer
    x = 18,933.25

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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.