Home / 16,843.02-23,243.40-9,289.14

Finding the Fourth Proportional to 16,843.02, 23,243.40 and 9,289.14

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Solution

The fourth proportional to 16,843.02, 23,243.40 and 9,289.14 is: 12,819.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,843.02 : 23,243.40 = 9,289.14 : x
  2. Step 2: Convert to fraction form
    16,843.02/23,243.40 = 9,289.14/x
  3. Step 3: Cross multiply
    16,843.02x = 23,243.40 × 9,289.14
  4. Step 4: Simplify right side
    16,843.02x = 215,911,196.68
  5. Step 5: Solve for x
    x = 215,911,196.68/16,843.02
  6. Step 6: Final answer
    x = 12,819.03

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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.