Home / 16,818.64-23,209.26-9,649.75

Finding the Fourth Proportional to 16,818.64, 23,209.26 and 9,649.75

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Solution

The fourth proportional to 16,818.64, 23,209.26 and 9,649.75 is: 13,316.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,818.64 : 23,209.26 = 9,649.75 : x
  2. Step 2: Convert to fraction form
    16,818.64/23,209.26 = 9,649.75/x
  3. Step 3: Cross multiply
    16,818.64x = 23,209.26 × 9,649.75
  4. Step 4: Simplify right side
    16,818.64x = 223,963,556.69
  5. Step 5: Solve for x
    x = 223,963,556.69/16,818.64
  6. Step 6: Final answer
    x = 13,316.39

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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.