Home / 21,467.10-29,625.37-12,513.16

Finding the Fourth Proportional to 21,467.10, 29,625.37 and 12,513.16

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Solution

The fourth proportional to 21,467.10, 29,625.37 and 12,513.16 is: 17,268.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,467.10 : 29,625.37 = 12,513.16 : x
  2. Step 2: Convert to fraction form
    21,467.10/29,625.37 = 12,513.16/x
  3. Step 3: Cross multiply
    21,467.10x = 29,625.37 × 12,513.16
  4. Step 4: Simplify right side
    21,467.10x = 370,706,889.52
  5. Step 5: Solve for x
    x = 370,706,889.52/21,467.10
  6. Step 6: Final answer
    x = 17,268.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.