Home / 9,690.95-14,517.38-5,518.23

Finding the Fourth Proportional to 9,690.95, 14,517.38 and 5,518.23

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Solution

The fourth proportional to 9,690.95, 14,517.38 and 5,518.23 is: 8,266.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,690.95 : 14,517.38 = 5,518.23 : x
  2. Step 2: Convert to fraction form
    9,690.95/14,517.38 = 5,518.23/x
  3. Step 3: Cross multiply
    9,690.95x = 14,517.38 × 5,518.23
  4. Step 4: Simplify right side
    9,690.95x = 80,110,255.63
  5. Step 5: Solve for x
    x = 80,110,255.63/9,690.95
  6. Step 6: Final answer
    x = 8,266.51

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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.