Home / 14,147.45-21,225.77-6,750.95

Finding the Fourth Proportional to 14,147.45, 21,225.77 and 6,750.95

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Solution

The fourth proportional to 14,147.45, 21,225.77 and 6,750.95 is: 10,128.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.45 : 21,225.77 = 6,750.95 : x
  2. Step 2: Convert to fraction form
    14,147.45/21,225.77 = 6,750.95/x
  3. Step 3: Cross multiply
    14,147.45x = 21,225.77 × 6,750.95
  4. Step 4: Simplify right side
    14,147.45x = 143,294,078.23
  5. Step 5: Solve for x
    x = 143,294,078.23/14,147.45
  6. Step 6: Final answer
    x = 10,128.62

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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.