Home / 9,113.58-13,670.51-3,190.26

Finding the Fourth Proportional to 9,113.58, 13,670.51 and 3,190.26

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Solution

The fourth proportional to 9,113.58, 13,670.51 and 3,190.26 is: 4,785.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.58 : 13,670.51 = 3,190.26 : x
  2. Step 2: Convert to fraction form
    9,113.58/13,670.51 = 3,190.26/x
  3. Step 3: Cross multiply
    9,113.58x = 13,670.51 × 3,190.26
  4. Step 4: Simplify right side
    9,113.58x = 43,612,412.88
  5. Step 5: Solve for x
    x = 43,612,412.88/9,113.58
  6. Step 6: Final answer
    x = 4,785.43

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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.