Home / 14,285.80-21,421.41-5,523.22

Finding the Fourth Proportional to 14,285.80, 21,421.41 and 5,523.22

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Solution

The fourth proportional to 14,285.80, 21,421.41 and 5,523.22 is: 8,282.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.80 : 21,421.41 = 5,523.22 : x
  2. Step 2: Convert to fraction form
    14,285.80/21,421.41 = 5,523.22/x
  3. Step 3: Cross multiply
    14,285.80x = 21,421.41 × 5,523.22
  4. Step 4: Simplify right side
    14,285.80x = 118,315,160.14
  5. Step 5: Solve for x
    x = 118,315,160.14/14,285.80
  6. Step 6: Final answer
    x = 8,282.01

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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.