Home / 13,339.26-20,018.75-6,319.28

Finding the Fourth Proportional to 13,339.26, 20,018.75 and 6,319.28

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Solution

The fourth proportional to 13,339.26, 20,018.75 and 6,319.28 is: 9,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,339.26 : 20,018.75 = 6,319.28 : x
  2. Step 2: Convert to fraction form
    13,339.26/20,018.75 = 6,319.28/x
  3. Step 3: Cross multiply
    13,339.26x = 20,018.75 × 6,319.28
  4. Step 4: Simplify right side
    13,339.26x = 126,504,187.17
  5. Step 5: Solve for x
    x = 126,504,187.17/13,339.26
  6. Step 6: Final answer
    x = 9,483.60

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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.