Home / 12,816.90-19,223.73-4,052.70

Finding the Fourth Proportional to 12,816.90, 19,223.73 and 4,052.70

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Solution

The fourth proportional to 12,816.90, 19,223.73 and 4,052.70 is: 6,078.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,816.90 : 19,223.73 = 4,052.70 : x
  2. Step 2: Convert to fraction form
    12,816.90/19,223.73 = 4,052.70/x
  3. Step 3: Cross multiply
    12,816.90x = 19,223.73 × 4,052.70
  4. Step 4: Simplify right side
    12,816.90x = 77,908,010.57
  5. Step 5: Solve for x
    x = 77,908,010.57/12,816.90
  6. Step 6: Final answer
    x = 6,078.54

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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.