Home / 13,429.50-20,142.09-9,522.06

Finding the Fourth Proportional to 13,429.50, 20,142.09 and 9,522.06

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Solution

The fourth proportional to 13,429.50, 20,142.09 and 9,522.06 is: 14,281.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,429.50 : 20,142.09 = 9,522.06 : x
  2. Step 2: Convert to fraction form
    13,429.50/20,142.09 = 9,522.06/x
  3. Step 3: Cross multiply
    13,429.50x = 20,142.09 × 9,522.06
  4. Step 4: Simplify right side
    13,429.50x = 191,794,189.51
  5. Step 5: Solve for x
    x = 191,794,189.51/13,429.50
  6. Step 6: Final answer
    x = 14,281.56

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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.