Home / 21,645.73-32,471.84-7,603.28

Finding the Fourth Proportional to 21,645.73, 32,471.84 and 7,603.28

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Solution

The fourth proportional to 21,645.73, 32,471.84 and 7,603.28 is: 11,406.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,645.73 : 32,471.84 = 7,603.28 : x
  2. Step 2: Convert to fraction form
    21,645.73/32,471.84 = 7,603.28/x
  3. Step 3: Cross multiply
    21,645.73x = 32,471.84 × 7,603.28
  4. Step 4: Simplify right side
    21,645.73x = 246,892,491.64
  5. Step 5: Solve for x
    x = 246,892,491.64/21,645.73
  6. Step 6: Final answer
    x = 11,406.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.