Home / 14,735.09-20,325.23-8,989.92

Finding the Fourth Proportional to 14,735.09, 20,325.23 and 8,989.92

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Solution

The fourth proportional to 14,735.09, 20,325.23 and 8,989.92 is: 12,400.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,735.09 : 20,325.23 = 8,989.92 : x
  2. Step 2: Convert to fraction form
    14,735.09/20,325.23 = 8,989.92/x
  3. Step 3: Cross multiply
    14,735.09x = 20,325.23 × 8,989.92
  4. Step 4: Simplify right side
    14,735.09x = 182,722,191.68
  5. Step 5: Solve for x
    x = 182,722,191.68/14,735.09
  6. Step 6: Final answer
    x = 12,400.48

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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.