Home / 16,861.87-25,292.90-6,866.81

Finding the Fourth Proportional to 16,861.87, 25,292.90 and 6,866.81

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Solution

The fourth proportional to 16,861.87, 25,292.90 and 6,866.81 is: 10,300.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861.87 : 25,292.90 = 6,866.81 : x
  2. Step 2: Convert to fraction form
    16,861.87/25,292.90 = 6,866.81/x
  3. Step 3: Cross multiply
    16,861.87x = 25,292.90 × 6,866.81
  4. Step 4: Simplify right side
    16,861.87x = 173,681,538.65
  5. Step 5: Solve for x
    x = 173,681,538.65/16,861.87
  6. Step 6: Final answer
    x = 10,300.25

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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.