Home / 14,811.04-20,438.60-8,096.36

Finding the Fourth Proportional to 14,811.04, 20,438.60 and 8,096.36

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Solution

The fourth proportional to 14,811.04, 20,438.60 and 8,096.36 is: 11,172.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,811.04 : 20,438.60 = 8,096.36 : x
  2. Step 2: Convert to fraction form
    14,811.04/20,438.60 = 8,096.36/x
  3. Step 3: Cross multiply
    14,811.04x = 20,438.60 × 8,096.36
  4. Step 4: Simplify right side
    14,811.04x = 165,478,263.50
  5. Step 5: Solve for x
    x = 165,478,263.50/14,811.04
  6. Step 6: Final answer
    x = 11,172.63

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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.