Home / 13,325.09-19,987.36-4,441.06

Finding the Fourth Proportional to 13,325.09, 19,987.36 and 4,441.06

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Solution

The fourth proportional to 13,325.09, 19,987.36 and 4,441.06 is: 6,661.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325.09 : 19,987.36 = 4,441.06 : x
  2. Step 2: Convert to fraction form
    13,325.09/19,987.36 = 4,441.06/x
  3. Step 3: Cross multiply
    13,325.09x = 19,987.36 × 4,441.06
  4. Step 4: Simplify right side
    13,325.09x = 88,765,078.88
  5. Step 5: Solve for x
    x = 88,765,078.88/13,325.09
  6. Step 6: Final answer
    x = 6,661.50

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Half scale
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Double scale
Find fourth proportional to 13,326.09, 19,988.86 and 4,442.06
Similar ratio
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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.