Home / 14,857.60-20,504.05-8,485.23

Finding the Fourth Proportional to 14,857.60, 20,504.05 and 8,485.23

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Solution

The fourth proportional to 14,857.60, 20,504.05 and 8,485.23 is: 11,709.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,857.60 : 20,504.05 = 8,485.23 : x
  2. Step 2: Convert to fraction form
    14,857.60/20,504.05 = 8,485.23/x
  3. Step 3: Cross multiply
    14,857.60x = 20,504.05 × 8,485.23
  4. Step 4: Simplify right side
    14,857.60x = 173,981,580.18
  5. Step 5: Solve for x
    x = 173,981,580.18/14,857.60
  6. Step 6: Final answer
    x = 11,709.94

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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.