Home / 21,028.76-29,018.36-11,597.34

Finding the Fourth Proportional to 21,028.76, 29,018.36 and 11,597.34

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Solution

The fourth proportional to 21,028.76, 29,018.36 and 11,597.34 is: 16,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,028.76 : 29,018.36 = 11,597.34 : x
  2. Step 2: Convert to fraction form
    21,028.76/29,018.36 = 11,597.34/x
  3. Step 3: Cross multiply
    21,028.76x = 29,018.36 × 11,597.34
  4. Step 4: Simplify right side
    21,028.76x = 336,535,787.16
  5. Step 5: Solve for x
    x = 336,535,787.16/21,028.76
  6. Step 6: Final answer
    x = 16,003.60

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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.