Home / 13,968.50-20,948.30-4,606.77

Finding the Fourth Proportional to 13,968.50, 20,948.30 and 4,606.77

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Solution

The fourth proportional to 13,968.50, 20,948.30 and 4,606.77 is: 6,908.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.50 : 20,948.30 = 4,606.77 : x
  2. Step 2: Convert to fraction form
    13,968.50/20,948.30 = 4,606.77/x
  3. Step 3: Cross multiply
    13,968.50x = 20,948.30 × 4,606.77
  4. Step 4: Simplify right side
    13,968.50x = 96,503,915.68
  5. Step 5: Solve for x
    x = 96,503,915.68/13,968.50
  6. Step 6: Final answer
    x = 6,908.68

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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.