Home / 13,192.20-19,801.94-8,840.07

Finding the Fourth Proportional to 13,192.20, 19,801.94 and 8,840.07

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Solution

The fourth proportional to 13,192.20, 19,801.94 and 8,840.07 is: 13,269.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.20 : 19,801.94 = 8,840.07 : x
  2. Step 2: Convert to fraction form
    13,192.20/19,801.94 = 8,840.07/x
  3. Step 3: Cross multiply
    13,192.20x = 19,801.94 × 8,840.07
  4. Step 4: Simplify right side
    13,192.20x = 175,050,535.74
  5. Step 5: Solve for x
    x = 175,050,535.74/13,192.20
  6. Step 6: Final answer
    x = 13,269.25

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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.