Home / 14,968.75-20,657.75-8,255.81

Finding the Fourth Proportional to 14,968.75, 20,657.75 and 8,255.81

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Solution

The fourth proportional to 14,968.75, 20,657.75 and 8,255.81 is: 11,393.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,968.75 : 20,657.75 = 8,255.81 : x
  2. Step 2: Convert to fraction form
    14,968.75/20,657.75 = 8,255.81/x
  3. Step 3: Cross multiply
    14,968.75x = 20,657.75 × 8,255.81
  4. Step 4: Simplify right side
    14,968.75x = 170,546,459.03
  5. Step 5: Solve for x
    x = 170,546,459.03/14,968.75
  6. Step 6: Final answer
    x = 11,393.50

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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.