Home / 9,756.55-14,636.36-3,181.21

Finding the Fourth Proportional to 9,756.55, 14,636.36 and 3,181.21

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Solution

The fourth proportional to 9,756.55, 14,636.36 and 3,181.21 is: 4,772.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,756.55 : 14,636.36 = 3,181.21 : x
  2. Step 2: Convert to fraction form
    9,756.55/14,636.36 = 3,181.21/x
  3. Step 3: Cross multiply
    9,756.55x = 14,636.36 × 3,181.21
  4. Step 4: Simplify right side
    9,756.55x = 46,561,334.80
  5. Step 5: Solve for x
    x = 46,561,334.80/9,756.55
  6. Step 6: Final answer
    x = 4,772.32

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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.