Home / 16,289.48-22,489.60-12,505.44

Finding the Fourth Proportional to 16,289.48, 22,489.60 and 12,505.44

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Solution

The fourth proportional to 16,289.48, 22,489.60 and 12,505.44 is: 17,265.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,289.48 : 22,489.60 = 12,505.44 : x
  2. Step 2: Convert to fraction form
    16,289.48/22,489.60 = 12,505.44/x
  3. Step 3: Cross multiply
    16,289.48x = 22,489.60 × 12,505.44
  4. Step 4: Simplify right side
    16,289.48x = 281,242,343.42
  5. Step 5: Solve for x
    x = 281,242,343.42/16,289.48
  6. Step 6: Final answer
    x = 17,265.27

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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.