Home / 14,629.95-20,191.95-8,664.57

Finding the Fourth Proportional to 14,629.95, 20,191.95 and 8,664.57

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Solution

The fourth proportional to 14,629.95, 20,191.95 and 8,664.57 is: 11,958.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,629.95 : 20,191.95 = 8,664.57 : x
  2. Step 2: Convert to fraction form
    14,629.95/20,191.95 = 8,664.57/x
  3. Step 3: Cross multiply
    14,629.95x = 20,191.95 × 8,664.57
  4. Step 4: Simplify right side
    14,629.95x = 174,954,564.21
  5. Step 5: Solve for x
    x = 174,954,564.21/14,629.95
  6. Step 6: Final answer
    x = 11,958.66

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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.