Home / 15,487.88-23,222.09-11,272.64

Finding the Fourth Proportional to 15,487.88, 23,222.09 and 11,272.64

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Solution

The fourth proportional to 15,487.88, 23,222.09 and 11,272.64 is: 16,901.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,487.88 : 23,222.09 = 11,272.64 : x
  2. Step 2: Convert to fraction form
    15,487.88/23,222.09 = 11,272.64/x
  3. Step 3: Cross multiply
    15,487.88x = 23,222.09 × 11,272.64
  4. Step 4: Simplify right side
    15,487.88x = 261,774,172.69
  5. Step 5: Solve for x
    x = 261,774,172.69/15,487.88
  6. Step 6: Final answer
    x = 16,901.88

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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.