Home / 13,556.48-18,695.48-11,453.31

Finding the Fourth Proportional to 13,556.48, 18,695.48 and 11,453.31

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Solution

The fourth proportional to 13,556.48, 18,695.48 and 11,453.31 is: 15,795.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556.48 : 18,695.48 = 11,453.31 : x
  2. Step 2: Convert to fraction form
    13,556.48/18,695.48 = 11,453.31/x
  3. Step 3: Cross multiply
    13,556.48x = 18,695.48 × 11,453.31
  4. Step 4: Simplify right side
    13,556.48x = 214,125,070.77
  5. Step 5: Solve for x
    x = 214,125,070.77/13,556.48
  6. Step 6: Final answer
    x = 15,795.04

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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.