Home / 14,228.80-21,343.20-9,563.20

Finding the Fourth Proportional to 14,228.80, 21,343.20 and 9,563.20

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Solution

The fourth proportional to 14,228.80, 21,343.20 and 9,563.20 is: 14,344.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.80 : 21,343.20 = 9,563.20 : x
  2. Step 2: Convert to fraction form
    14,228.80/21,343.20 = 9,563.20/x
  3. Step 3: Cross multiply
    14,228.80x = 21,343.20 × 9,563.20
  4. Step 4: Simplify right side
    14,228.80x = 204,109,290.24
  5. Step 5: Solve for x
    x = 204,109,290.24/14,228.80
  6. Step 6: Final answer
    x = 14,344.80

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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.