Home / 13,223.15-19,829.58-6,644.75

Finding the Fourth Proportional to 13,223.15, 19,829.58 and 6,644.75

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Solution

The fourth proportional to 13,223.15, 19,829.58 and 6,644.75 is: 9,964.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.15 : 19,829.58 = 6,644.75 : x
  2. Step 2: Convert to fraction form
    13,223.15/19,829.58 = 6,644.75/x
  3. Step 3: Cross multiply
    13,223.15x = 19,829.58 × 6,644.75
  4. Step 4: Simplify right side
    13,223.15x = 131,762,601.71
  5. Step 5: Solve for x
    x = 131,762,601.71/13,223.15
  6. Step 6: Final answer
    x = 9,964.54

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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.