Home / 16,822.79-23,203.90-9,749.33

Finding the Fourth Proportional to 16,822.79, 23,203.90 and 9,749.33

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Solution

The fourth proportional to 16,822.79, 23,203.90 and 9,749.33 is: 13,447.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,822.79 : 23,203.90 = 9,749.33 : x
  2. Step 2: Convert to fraction form
    16,822.79/23,203.90 = 9,749.33/x
  3. Step 3: Cross multiply
    16,822.79x = 23,203.90 × 9,749.33
  4. Step 4: Simplify right side
    16,822.79x = 226,222,478.39
  5. Step 5: Solve for x
    x = 226,222,478.39/16,822.79
  6. Step 6: Final answer
    x = 13,447.38

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Double scale
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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.