Home / 16,817.81-25,226.70-7,931.07

Finding the Fourth Proportional to 16,817.81, 25,226.70 and 7,931.07

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Solution

The fourth proportional to 16,817.81, 25,226.70 and 7,931.07 is: 11,896.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,817.81 : 25,226.70 = 7,931.07 : x
  2. Step 2: Convert to fraction form
    16,817.81/25,226.70 = 7,931.07/x
  3. Step 3: Cross multiply
    16,817.81x = 25,226.70 × 7,931.07
  4. Step 4: Simplify right side
    16,817.81x = 200,074,723.57
  5. Step 5: Solve for x
    x = 200,074,723.57/16,817.81
  6. Step 6: Final answer
    x = 11,896.60

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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.