Home / 21,547.55-32,321.32-6,757.76

Finding the Fourth Proportional to 21,547.55, 32,321.32 and 6,757.76

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Solution

The fourth proportional to 21,547.55, 32,321.32 and 6,757.76 is: 10,136.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,547.55 : 32,321.32 = 6,757.76 : x
  2. Step 2: Convert to fraction form
    21,547.55/32,321.32 = 6,757.76/x
  3. Step 3: Cross multiply
    21,547.55x = 32,321.32 × 6,757.76
  4. Step 4: Simplify right side
    21,547.55x = 218,419,561.84
  5. Step 5: Solve for x
    x = 218,419,561.84/21,547.55
  6. Step 6: Final answer
    x = 10,136.63

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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.