Home / 21,597.66-29,804.72-12,166.28

Finding the Fourth Proportional to 21,597.66, 29,804.72 and 12,166.28

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Solution

The fourth proportional to 21,597.66, 29,804.72 and 12,166.28 is: 16,789.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,597.66 : 29,804.72 = 12,166.28 : x
  2. Step 2: Convert to fraction form
    21,597.66/29,804.72 = 12,166.28/x
  3. Step 3: Cross multiply
    21,597.66x = 29,804.72 × 12,166.28
  4. Step 4: Simplify right side
    21,597.66x = 362,612,568.84
  5. Step 5: Solve for x
    x = 362,612,568.84/21,597.66
  6. Step 6: Final answer
    x = 16,789.44

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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.