Home / 13,291.33-19,937.07-3,429.93

Finding the Fourth Proportional to 13,291.33, 19,937.07 and 3,429.93

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Solution

The fourth proportional to 13,291.33, 19,937.07 and 3,429.93 is: 5,144.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291.33 : 19,937.07 = 3,429.93 : x
  2. Step 2: Convert to fraction form
    13,291.33/19,937.07 = 3,429.93/x
  3. Step 3: Cross multiply
    13,291.33x = 19,937.07 × 3,429.93
  4. Step 4: Simplify right side
    13,291.33x = 68,382,754.51
  5. Step 5: Solve for x
    x = 68,382,754.51/13,291.33
  6. Step 6: Final answer
    x = 5,144.91

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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.