Home / 19,439.13-29,163.33-6,291.51

Finding the Fourth Proportional to 19,439.13, 29,163.33 and 6,291.51

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Solution

The fourth proportional to 19,439.13, 29,163.33 and 6,291.51 is: 9,438.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,439.13 : 29,163.33 = 6,291.51 : x
  2. Step 2: Convert to fraction form
    19,439.13/29,163.33 = 6,291.51/x
  3. Step 3: Cross multiply
    19,439.13x = 29,163.33 × 6,291.51
  4. Step 4: Simplify right side
    19,439.13x = 183,481,228.65
  5. Step 5: Solve for x
    x = 183,481,228.65/19,439.13
  6. Step 6: Final answer
    x = 9,438.76

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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.