Home / 16,941.70-23,379.68-9,388.16

Finding the Fourth Proportional to 16,941.70, 23,379.68 and 9,388.16

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Solution

The fourth proportional to 16,941.70, 23,379.68 and 9,388.16 is: 12,955.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,941.70 : 23,379.68 = 9,388.16 : x
  2. Step 2: Convert to fraction form
    16,941.70/23,379.68 = 9,388.16/x
  3. Step 3: Cross multiply
    16,941.70x = 23,379.68 × 9,388.16
  4. Step 4: Simplify right side
    16,941.70x = 219,492,126.50
  5. Step 5: Solve for x
    x = 219,492,126.50/16,941.70
  6. Step 6: Final answer
    x = 12,955.73

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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.