Home / 16,820.44-23,212.20-9,368.44

Finding the Fourth Proportional to 16,820.44, 23,212.20 and 9,368.44

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Solution

The fourth proportional to 16,820.44, 23,212.20 and 9,368.44 is: 12,928.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820.44 : 23,212.20 = 9,368.44 : x
  2. Step 2: Convert to fraction form
    16,820.44/23,212.20 = 9,368.44/x
  3. Step 3: Cross multiply
    16,820.44x = 23,212.20 × 9,368.44
  4. Step 4: Simplify right side
    16,820.44x = 217,462,080.07
  5. Step 5: Solve for x
    x = 217,462,080.07/16,820.44
  6. Step 6: Final answer
    x = 12,928.44

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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.