Home / 21,755.81-32,617.74-6,956.21

Finding the Fourth Proportional to 21,755.81, 32,617.74 and 6,956.21

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Solution

The fourth proportional to 21,755.81, 32,617.74 and 6,956.21 is: 10,429.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,755.81 : 32,617.74 = 6,956.21 : x
  2. Step 2: Convert to fraction form
    21,755.81/32,617.74 = 6,956.21/x
  3. Step 3: Cross multiply
    21,755.81x = 32,617.74 × 6,956.21
  4. Step 4: Simplify right side
    21,755.81x = 226,895,849.17
  5. Step 5: Solve for x
    x = 226,895,849.17/21,755.81
  6. Step 6: Final answer
    x = 10,429.21

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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.