Home / 16,678.60-23,012.58-11,384.44

Finding the Fourth Proportional to 16,678.60, 23,012.58 and 11,384.44

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Solution

The fourth proportional to 16,678.60, 23,012.58 and 11,384.44 is: 15,707.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,678.60 : 23,012.58 = 11,384.44 : x
  2. Step 2: Convert to fraction form
    16,678.60/23,012.58 = 11,384.44/x
  3. Step 3: Cross multiply
    16,678.60x = 23,012.58 × 11,384.44
  4. Step 4: Simplify right side
    16,678.60x = 261,985,336.26
  5. Step 5: Solve for x
    x = 261,985,336.26/16,678.60
  6. Step 6: Final answer
    x = 15,707.87

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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.