Home / 20,054.37-27,674.70-11,101.68

Finding the Fourth Proportional to 20,054.37, 27,674.70 and 11,101.68

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Solution

The fourth proportional to 20,054.37, 27,674.70 and 11,101.68 is: 15,320.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,054.37 : 27,674.70 = 11,101.68 : x
  2. Step 2: Convert to fraction form
    20,054.37/27,674.70 = 11,101.68/x
  3. Step 3: Cross multiply
    20,054.37x = 27,674.70 × 11,101.68
  4. Step 4: Simplify right side
    20,054.37x = 307,235,663.50
  5. Step 5: Solve for x
    x = 307,235,663.50/20,054.37
  6. Step 6: Final answer
    x = 15,320.14

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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.