Home / 16,897.48-23,321.40-9,828

Finding the Fourth Proportional to 16,897.48, 23,321.40 and 9,828

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Solution

The fourth proportional to 16,897.48, 23,321.40 and 9,828 is: 13,564.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,897.48 : 23,321.40 = 9,828 : x
  2. Step 2: Convert to fraction form
    16,897.48/23,321.40 = 9,828/x
  3. Step 3: Cross multiply
    16,897.48x = 23,321.40 × 9,828
  4. Step 4: Simplify right side
    16,897.48x = 229,202,719.20
  5. Step 5: Solve for x
    x = 229,202,719.20/16,897.48
  6. Step 6: Final answer
    x = 13,564.31

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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.