Home / 13,466.88-20,172.51-7,903.44

Finding the Fourth Proportional to 13,466.88, 20,172.51 and 7,903.44

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Solution

The fourth proportional to 13,466.88, 20,172.51 and 7,903.44 is: 11,838.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466.88 : 20,172.51 = 7,903.44 : x
  2. Step 2: Convert to fraction form
    13,466.88/20,172.51 = 7,903.44/x
  3. Step 3: Cross multiply
    13,466.88x = 20,172.51 × 7,903.44
  4. Step 4: Simplify right side
    13,466.88x = 159,432,222.43
  5. Step 5: Solve for x
    x = 159,432,222.43/13,466.88
  6. Step 6: Final answer
    x = 11,838.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.