Home / 16,929.71-23,351.40-11,615.30

Finding the Fourth Proportional to 16,929.71, 23,351.40 and 11,615.30

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Solution

The fourth proportional to 16,929.71, 23,351.40 and 11,615.30 is: 16,021.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,929.71 : 23,351.40 = 11,615.30 : x
  2. Step 2: Convert to fraction form
    16,929.71/23,351.40 = 11,615.30/x
  3. Step 3: Cross multiply
    16,929.71x = 23,351.40 × 11,615.30
  4. Step 4: Simplify right side
    16,929.71x = 271,233,640.36
  5. Step 5: Solve for x
    x = 271,233,640.36/16,929.71
  6. Step 6: Final answer
    x = 16,021.16

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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.