Home / 14,297.80-21,461.10-6,908.20

Finding the Fourth Proportional to 14,297.80, 21,461.10 and 6,908.20

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Solution

The fourth proportional to 14,297.80, 21,461.10 and 6,908.20 is: 10,369.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,297.80 : 21,461.10 = 6,908.20 : x
  2. Step 2: Convert to fraction form
    14,297.80/21,461.10 = 6,908.20/x
  3. Step 3: Cross multiply
    14,297.80x = 21,461.10 × 6,908.20
  4. Step 4: Simplify right side
    14,297.80x = 148,257,571.02
  5. Step 5: Solve for x
    x = 148,257,571.02/14,297.80
  6. Step 6: Final answer
    x = 10,369.26

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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.