Home / 21,652.48-29,877.51-12,091.24

Finding the Fourth Proportional to 21,652.48, 29,877.51 and 12,091.24

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Solution

The fourth proportional to 21,652.48, 29,877.51 and 12,091.24 is: 16,684.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,652.48 : 29,877.51 = 12,091.24 : x
  2. Step 2: Convert to fraction form
    21,652.48/29,877.51 = 12,091.24/x
  3. Step 3: Cross multiply
    21,652.48x = 29,877.51 × 12,091.24
  4. Step 4: Simplify right side
    21,652.48x = 361,256,144.01
  5. Step 5: Solve for x
    x = 361,256,144.01/21,652.48
  6. Step 6: Final answer
    x = 16,684.28

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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.