Home / 15,554.88-23,339.22-8,157.60

Finding the Fourth Proportional to 15,554.88, 23,339.22 and 8,157.60

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Solution

The fourth proportional to 15,554.88, 23,339.22 and 8,157.60 is: 12,240.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,554.88 : 23,339.22 = 8,157.60 : x
  2. Step 2: Convert to fraction form
    15,554.88/23,339.22 = 8,157.60/x
  3. Step 3: Cross multiply
    15,554.88x = 23,339.22 × 8,157.60
  4. Step 4: Simplify right side
    15,554.88x = 190,392,021.07
  5. Step 5: Solve for x
    x = 190,392,021.07/15,554.88
  6. Step 6: Final answer
    x = 12,240.02

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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.