Home / 16,858.20-23,272.19-9,783.26

Finding the Fourth Proportional to 16,858.20, 23,272.19 and 9,783.26

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Solution

The fourth proportional to 16,858.20, 23,272.19 and 9,783.26 is: 13,505.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,858.20 : 23,272.19 = 9,783.26 : x
  2. Step 2: Convert to fraction form
    16,858.20/23,272.19 = 9,783.26/x
  3. Step 3: Cross multiply
    16,858.20x = 23,272.19 × 9,783.26
  4. Step 4: Simplify right side
    16,858.20x = 227,677,899.25
  5. Step 5: Solve for x
    x = 227,677,899.25/16,858.20
  6. Step 6: Final answer
    x = 13,505.47

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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.