Home / 19,745.77-29,623.29-13,508.72

Finding the Fourth Proportional to 19,745.77, 29,623.29 and 13,508.72

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Solution

The fourth proportional to 19,745.77, 29,623.29 and 13,508.72 is: 20,266.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,745.77 : 29,623.29 = 13,508.72 : x
  2. Step 2: Convert to fraction form
    19,745.77/29,623.29 = 13,508.72/x
  3. Step 3: Cross multiply
    19,745.77x = 29,623.29 × 13,508.72
  4. Step 4: Simplify right side
    19,745.77x = 400,172,622.26
  5. Step 5: Solve for x
    x = 400,172,622.26/19,745.77
  6. Step 6: Final answer
    x = 20,266.25

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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.