Home / 14,696.28-20,285.14-8,955.80

Finding the Fourth Proportional to 14,696.28, 20,285.14 and 8,955.80

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Solution

The fourth proportional to 14,696.28, 20,285.14 and 8,955.80 is: 12,361.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,696.28 : 20,285.14 = 8,955.80 : x
  2. Step 2: Convert to fraction form
    14,696.28/20,285.14 = 8,955.80/x
  3. Step 3: Cross multiply
    14,696.28x = 20,285.14 × 8,955.80
  4. Step 4: Simplify right side
    14,696.28x = 181,669,656.81
  5. Step 5: Solve for x
    x = 181,669,656.81/14,696.28
  6. Step 6: Final answer
    x = 12,361.61

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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.