Home / 16,860.45-25,284.60-8,537.70

Finding the Fourth Proportional to 16,860.45, 25,284.60 and 8,537.70

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Solution

The fourth proportional to 16,860.45, 25,284.60 and 8,537.70 is: 12,803.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,860.45 : 25,284.60 = 8,537.70 : x
  2. Step 2: Convert to fraction form
    16,860.45/25,284.60 = 8,537.70/x
  3. Step 3: Cross multiply
    16,860.45x = 25,284.60 × 8,537.70
  4. Step 4: Simplify right side
    16,860.45x = 215,872,329.42
  5. Step 5: Solve for x
    x = 215,872,329.42/16,860.45
  6. Step 6: Final answer
    x = 12,803.47

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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.