Home / 13,223.66-19,841.90-5,325.75

Finding the Fourth Proportional to 13,223.66, 19,841.90 and 5,325.75

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Solution

The fourth proportional to 13,223.66, 19,841.90 and 5,325.75 is: 7,991.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.66 : 19,841.90 = 5,325.75 : x
  2. Step 2: Convert to fraction form
    13,223.66/19,841.90 = 5,325.75/x
  3. Step 3: Cross multiply
    13,223.66x = 19,841.90 × 5,325.75
  4. Step 4: Simplify right side
    13,223.66x = 105,672,972.30
  5. Step 5: Solve for x
    x = 105,672,972.30/13,223.66
  6. Step 6: Final answer
    x = 7,991.21

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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.