Home / 13,037.86-19,556.84-9,159.58

Finding the Fourth Proportional to 13,037.86, 19,556.84 and 9,159.58

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Solution

The fourth proportional to 13,037.86, 19,556.84 and 9,159.58 is: 13,739.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037.86 : 19,556.84 = 9,159.58 : x
  2. Step 2: Convert to fraction form
    13,037.86/19,556.84 = 9,159.58/x
  3. Step 3: Cross multiply
    13,037.86x = 19,556.84 × 9,159.58
  4. Step 4: Simplify right side
    13,037.86x = 179,132,487.87
  5. Step 5: Solve for x
    x = 179,132,487.87/13,037.86
  6. Step 6: Final answer
    x = 13,739.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.