Home / 15,968.85-22,039.59-9,258.36

Finding the Fourth Proportional to 15,968.85, 22,039.59 and 9,258.36

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Solution

The fourth proportional to 15,968.85, 22,039.59 and 9,258.36 is: 12,778.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,968.85 : 22,039.59 = 9,258.36 : x
  2. Step 2: Convert to fraction form
    15,968.85/22,039.59 = 9,258.36/x
  3. Step 3: Cross multiply
    15,968.85x = 22,039.59 × 9,258.36
  4. Step 4: Simplify right side
    15,968.85x = 204,050,458.47
  5. Step 5: Solve for x
    x = 204,050,458.47/15,968.85
  6. Step 6: Final answer
    x = 12,778.03

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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.