Home / 9,157.48-13,736.21-3,312.72

Finding the Fourth Proportional to 9,157.48, 13,736.21 and 3,312.72

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Solution

The fourth proportional to 9,157.48, 13,736.21 and 3,312.72 is: 4,969.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,157.48 : 13,736.21 = 3,312.72 : x
  2. Step 2: Convert to fraction form
    9,157.48/13,736.21 = 3,312.72/x
  3. Step 3: Cross multiply
    9,157.48x = 13,736.21 × 3,312.72
  4. Step 4: Simplify right side
    9,157.48x = 45,504,217.59
  5. Step 5: Solve for x
    x = 45,504,217.59/9,157.48
  6. Step 6: Final answer
    x = 4,969.08

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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.