Home / 13,219.31-19,823.13-6,193.65

Finding the Fourth Proportional to 13,219.31, 19,823.13 and 6,193.65

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Solution

The fourth proportional to 13,219.31, 19,823.13 and 6,193.65 is: 9,287.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,219.31 : 19,823.13 = 6,193.65 : x
  2. Step 2: Convert to fraction form
    13,219.31/19,823.13 = 6,193.65/x
  3. Step 3: Cross multiply
    13,219.31x = 19,823.13 × 6,193.65
  4. Step 4: Simplify right side
    13,219.31x = 122,777,529.12
  5. Step 5: Solve for x
    x = 122,777,529.12/13,219.31
  6. Step 6: Final answer
    x = 9,287.74

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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.