Home / 21,446.21-32,173.62-7,406.76

Finding the Fourth Proportional to 21,446.21, 32,173.62 and 7,406.76

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Solution

The fourth proportional to 21,446.21, 32,173.62 and 7,406.76 is: 11,111.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,446.21 : 32,173.62 = 7,406.76 : x
  2. Step 2: Convert to fraction form
    21,446.21/32,173.62 = 7,406.76/x
  3. Step 3: Cross multiply
    21,446.21x = 32,173.62 × 7,406.76
  4. Step 4: Simplify right side
    21,446.21x = 238,302,281.67
  5. Step 5: Solve for x
    x = 238,302,281.67/21,446.21
  6. Step 6: Final answer
    x = 11,111.63

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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.