Home / 14,218.62-21,321.45-7,297.98

Finding the Fourth Proportional to 14,218.62, 21,321.45 and 7,297.98

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Solution

The fourth proportional to 14,218.62, 21,321.45 and 7,297.98 is: 10,943.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.62 : 21,321.45 = 7,297.98 : x
  2. Step 2: Convert to fraction form
    14,218.62/21,321.45 = 7,297.98/x
  3. Step 3: Cross multiply
    14,218.62x = 21,321.45 × 7,297.98
  4. Step 4: Simplify right side
    14,218.62x = 155,603,515.67
  5. Step 5: Solve for x
    x = 155,603,515.67/14,218.62
  6. Step 6: Final answer
    x = 10,943.64

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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.