Home / 9,440.48-13,028.19-5,191.72

Finding the Fourth Proportional to 9,440.48, 13,028.19 and 5,191.72

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Solution

The fourth proportional to 9,440.48, 13,028.19 and 5,191.72 is: 7,164.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,440.48 : 13,028.19 = 5,191.72 : x
  2. Step 2: Convert to fraction form
    9,440.48/13,028.19 = 5,191.72/x
  3. Step 3: Cross multiply
    9,440.48x = 13,028.19 × 5,191.72
  4. Step 4: Simplify right side
    9,440.48x = 67,638,714.59
  5. Step 5: Solve for x
    x = 67,638,714.59/9,440.48
  6. Step 6: Final answer
    x = 7,164.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.