Home / 13,223.58-19,817.34-6,654.27

Finding the Fourth Proportional to 13,223.58, 19,817.34 and 6,654.27

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Solution

The fourth proportional to 13,223.58, 19,817.34 and 6,654.27 is: 9,972.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.58 : 19,817.34 = 6,654.27 : x
  2. Step 2: Convert to fraction form
    13,223.58/19,817.34 = 6,654.27/x
  3. Step 3: Cross multiply
    13,223.58x = 19,817.34 × 6,654.27
  4. Step 4: Simplify right side
    13,223.58x = 131,869,931.04
  5. Step 5: Solve for x
    x = 131,869,931.04/13,223.58
  6. Step 6: Final answer
    x = 9,972.33

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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.