Home / 16,988.36-25,435.30-8,650.42

Finding the Fourth Proportional to 16,988.36, 25,435.30 and 8,650.42

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Solution

The fourth proportional to 16,988.36, 25,435.30 and 8,650.42 is: 12,951.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,988.36 : 25,435.30 = 8,650.42 : x
  2. Step 2: Convert to fraction form
    16,988.36/25,435.30 = 8,650.42/x
  3. Step 3: Cross multiply
    16,988.36x = 25,435.30 × 8,650.42
  4. Step 4: Simplify right side
    16,988.36x = 220,026,027.83
  5. Step 5: Solve for x
    x = 220,026,027.83/16,988.36
  6. Step 6: Final answer
    x = 12,951.58

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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.