Home / 14,504.40-21,756.60-8,992.80

Finding the Fourth Proportional to 14,504.40, 21,756.60 and 8,992.80

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Solution

The fourth proportional to 14,504.40, 21,756.60 and 8,992.80 is: 13,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,504.40 : 21,756.60 = 8,992.80 : x
  2. Step 2: Convert to fraction form
    14,504.40/21,756.60 = 8,992.80/x
  3. Step 3: Cross multiply
    14,504.40x = 21,756.60 × 8,992.80
  4. Step 4: Simplify right side
    14,504.40x = 195,652,752.48
  5. Step 5: Solve for x
    x = 195,652,752.48/14,504.40
  6. Step 6: Final answer
    x = 13,489.20

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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.