Home / 21,554.34-29,734.98-12,602.22

Finding the Fourth Proportional to 21,554.34, 29,734.98 and 12,602.22

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Solution

The fourth proportional to 21,554.34, 29,734.98 and 12,602.22 is: 17,385.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,554.34 : 29,734.98 = 12,602.22 : x
  2. Step 2: Convert to fraction form
    21,554.34/29,734.98 = 12,602.22/x
  3. Step 3: Cross multiply
    21,554.34x = 29,734.98 × 12,602.22
  4. Step 4: Simplify right side
    21,554.34x = 374,726,759.66
  5. Step 5: Solve for x
    x = 374,726,759.66/21,554.34
  6. Step 6: Final answer
    x = 17,385.21

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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.