Home / 13,618.74-20,430.68-4,733.73

Finding the Fourth Proportional to 13,618.74, 20,430.68 and 4,733.73

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Solution

The fourth proportional to 13,618.74, 20,430.68 and 4,733.73 is: 7,101.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,618.74 : 20,430.68 = 4,733.73 : x
  2. Step 2: Convert to fraction form
    13,618.74/20,430.68 = 4,733.73/x
  3. Step 3: Cross multiply
    13,618.74x = 20,430.68 × 4,733.73
  4. Step 4: Simplify right side
    13,618.74x = 96,713,197.01
  5. Step 5: Solve for x
    x = 96,713,197.01/13,618.74
  6. Step 6: Final answer
    x = 7,101.48

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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.