Home / 21,736.38-29,995.29-12,177.18

Finding the Fourth Proportional to 21,736.38, 29,995.29 and 12,177.18

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Solution

The fourth proportional to 21,736.38, 29,995.29 and 12,177.18 is: 16,804.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,736.38 : 29,995.29 = 12,177.18 : x
  2. Step 2: Convert to fraction form
    21,736.38/29,995.29 = 12,177.18/x
  3. Step 3: Cross multiply
    21,736.38x = 29,995.29 × 12,177.18
  4. Step 4: Simplify right side
    21,736.38x = 365,258,045.48
  5. Step 5: Solve for x
    x = 365,258,045.48/21,736.38
  6. Step 6: Final answer
    x = 16,804.00

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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.