Home / 16,860.14-25,229.01-12,189.50

Finding the Fourth Proportional to 16,860.14, 25,229.01 and 12,189.50

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Solution

The fourth proportional to 16,860.14, 25,229.01 and 12,189.50 is: 18,240.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,860.14 : 25,229.01 = 12,189.50 : x
  2. Step 2: Convert to fraction form
    16,860.14/25,229.01 = 12,189.50/x
  3. Step 3: Cross multiply
    16,860.14x = 25,229.01 × 12,189.50
  4. Step 4: Simplify right side
    16,860.14x = 307,529,017.40
  5. Step 5: Solve for x
    x = 307,529,017.40/16,860.14
  6. Step 6: Final answer
    x = 18,240.00

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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.