Home / 21,541.98-29,736.06-12,592.40

Finding the Fourth Proportional to 21,541.98, 29,736.06 and 12,592.40

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Solution

The fourth proportional to 21,541.98, 29,736.06 and 12,592.40 is: 17,382.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,541.98 : 29,736.06 = 12,592.40 : x
  2. Step 2: Convert to fraction form
    21,541.98/29,736.06 = 12,592.40/x
  3. Step 3: Cross multiply
    21,541.98x = 29,736.06 × 12,592.40
  4. Step 4: Simplify right side
    21,541.98x = 374,448,361.94
  5. Step 5: Solve for x
    x = 374,448,361.94/21,541.98
  6. Step 6: Final answer
    x = 17,382.26

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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.