Home / 14,806.40-20,433.04-8,840.80

Finding the Fourth Proportional to 14,806.40, 20,433.04 and 8,840.80

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Solution

The fourth proportional to 14,806.40, 20,433.04 and 8,840.80 is: 12,200.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,806.40 : 20,433.04 = 8,840.80 : x
  2. Step 2: Convert to fraction form
    14,806.40/20,433.04 = 8,840.80/x
  3. Step 3: Cross multiply
    14,806.40x = 20,433.04 × 8,840.80
  4. Step 4: Simplify right side
    14,806.40x = 180,644,420.03
  5. Step 5: Solve for x
    x = 180,644,420.03/14,806.40
  6. Step 6: Final answer
    x = 12,200.43

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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.