Home / 19,678.37-27,155.36-10,725.68

Finding the Fourth Proportional to 19,678.37, 27,155.36 and 10,725.68

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Solution

The fourth proportional to 19,678.37, 27,155.36 and 10,725.68 is: 14,801.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,678.37 : 27,155.36 = 10,725.68 : x
  2. Step 2: Convert to fraction form
    19,678.37/27,155.36 = 10,725.68/x
  3. Step 3: Cross multiply
    19,678.37x = 27,155.36 × 10,725.68
  4. Step 4: Simplify right side
    19,678.37x = 291,259,796.35
  5. Step 5: Solve for x
    x = 291,259,796.35/19,678.37
  6. Step 6: Final answer
    x = 14,801.02

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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.