Home / 14,089.75-21,141.90-6,197.81

Finding the Fourth Proportional to 14,089.75, 21,141.90 and 6,197.81

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Solution

The fourth proportional to 14,089.75, 21,141.90 and 6,197.81 is: 9,299.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.75 : 21,141.90 = 6,197.81 : x
  2. Step 2: Convert to fraction form
    14,089.75/21,141.90 = 6,197.81/x
  3. Step 3: Cross multiply
    14,089.75x = 21,141.90 × 6,197.81
  4. Step 4: Simplify right side
    14,089.75x = 131,033,373.53
  5. Step 5: Solve for x
    x = 131,033,373.53/14,089.75
  6. Step 6: Final answer
    x = 9,299.91

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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.