Home / 21,824.94-32,751.76-11,971.13

Finding the Fourth Proportional to 21,824.94, 32,751.76 and 11,971.13

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Solution

The fourth proportional to 21,824.94, 32,751.76 and 11,971.13 is: 17,964.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,824.94 : 32,751.76 = 11,971.13 : x
  2. Step 2: Convert to fraction form
    21,824.94/32,751.76 = 11,971.13/x
  3. Step 3: Cross multiply
    21,824.94x = 32,751.76 × 11,971.13
  4. Step 4: Simplify right side
    21,824.94x = 392,075,576.69
  5. Step 5: Solve for x
    x = 392,075,576.69/21,824.94
  6. Step 6: Final answer
    x = 17,964.57

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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.