Home / 19,161.02-28,748.67-8,627.88

Finding the Fourth Proportional to 19,161.02, 28,748.67 and 8,627.88

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Solution

The fourth proportional to 19,161.02, 28,748.67 and 8,627.88 is: 12,945.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,161.02 : 28,748.67 = 8,627.88 : x
  2. Step 2: Convert to fraction form
    19,161.02/28,748.67 = 8,627.88/x
  3. Step 3: Cross multiply
    19,161.02x = 28,748.67 × 8,627.88
  4. Step 4: Simplify right side
    19,161.02x = 248,040,074.92
  5. Step 5: Solve for x
    x = 248,040,074.92/19,161.02
  6. Step 6: Final answer
    x = 12,945.04

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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.