Home / 19,194.03-28,742.95-12,152.80

Finding the Fourth Proportional to 19,194.03, 28,742.95 and 12,152.80

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Solution

The fourth proportional to 19,194.03, 28,742.95 and 12,152.80 is: 18,198.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,194.03 : 28,742.95 = 12,152.80 : x
  2. Step 2: Convert to fraction form
    19,194.03/28,742.95 = 12,152.80/x
  3. Step 3: Cross multiply
    19,194.03x = 28,742.95 × 12,152.80
  4. Step 4: Simplify right side
    19,194.03x = 349,307,373.88
  5. Step 5: Solve for x
    x = 349,307,373.88/19,194.03
  6. Step 6: Final answer
    x = 18,198.75

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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.