Home / 9,619.17-14,404.25-8,142.95

Finding the Fourth Proportional to 9,619.17, 14,404.25 and 8,142.95

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Solution

The fourth proportional to 9,619.17, 14,404.25 and 8,142.95 is: 12,193.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,619.17 : 14,404.25 = 8,142.95 : x
  2. Step 2: Convert to fraction form
    9,619.17/14,404.25 = 8,142.95/x
  3. Step 3: Cross multiply
    9,619.17x = 14,404.25 × 8,142.95
  4. Step 4: Simplify right side
    9,619.17x = 117,292,974.80
  5. Step 5: Solve for x
    x = 117,292,974.80/9,619.17
  6. Step 6: Final answer
    x = 12,193.67

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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.