Home / 16,911.68-23,328.48-9,837.28

Finding the Fourth Proportional to 16,911.68, 23,328.48 and 9,837.28

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Solution

The fourth proportional to 16,911.68, 23,328.48 and 9,837.28 is: 13,569.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,911.68 : 23,328.48 = 9,837.28 : x
  2. Step 2: Convert to fraction form
    16,911.68/23,328.48 = 9,837.28/x
  3. Step 3: Cross multiply
    16,911.68x = 23,328.48 × 9,837.28
  4. Step 4: Simplify right side
    16,911.68x = 229,488,789.73
  5. Step 5: Solve for x
    x = 229,488,789.73/16,911.68
  6. Step 6: Final answer
    x = 13,569.84

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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.