Home / 21,592.49-29,798.03-12,161.39

Finding the Fourth Proportional to 21,592.49, 29,798.03 and 12,161.39

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Solution

The fourth proportional to 21,592.49, 29,798.03 and 12,161.39 is: 16,782.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,592.49 : 29,798.03 = 12,161.39 : x
  2. Step 2: Convert to fraction form
    21,592.49/29,798.03 = 12,161.39/x
  3. Step 3: Cross multiply
    21,592.49x = 29,798.03 × 12,161.39
  4. Step 4: Simplify right side
    21,592.49x = 362,385,403.25
  5. Step 5: Solve for x
    x = 362,385,403.25/21,592.49
  6. Step 6: Final answer
    x = 16,782.94

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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.