Home / 16,690.48-23,035.44-9,520.44

Finding the Fourth Proportional to 16,690.48, 23,035.44 and 9,520.44

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Solution

The fourth proportional to 16,690.48, 23,035.44 and 9,520.44 is: 13,139.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,690.48 : 23,035.44 = 9,520.44 : x
  2. Step 2: Convert to fraction form
    16,690.48/23,035.44 = 9,520.44/x
  3. Step 3: Cross multiply
    16,690.48x = 23,035.44 × 9,520.44
  4. Step 4: Simplify right side
    16,690.48x = 219,307,524.39
  5. Step 5: Solve for x
    x = 219,307,524.39/16,690.48
  6. Step 6: Final answer
    x = 13,139.68

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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.