Home / 20,047.34-27,664.64-11,095.22

Finding the Fourth Proportional to 20,047.34, 27,664.64 and 11,095.22

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Solution

The fourth proportional to 20,047.34, 27,664.64 and 11,095.22 is: 15,311.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,047.34 : 27,664.64 = 11,095.22 : x
  2. Step 2: Convert to fraction form
    20,047.34/27,664.64 = 11,095.22/x
  3. Step 3: Cross multiply
    20,047.34x = 27,664.64 × 11,095.22
  4. Step 4: Simplify right side
    20,047.34x = 306,945,267.02
  5. Step 5: Solve for x
    x = 306,945,267.02/20,047.34
  6. Step 6: Final answer
    x = 15,311.02

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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.