Home / 19,621.35-27,076.05-11,123.64

Finding the Fourth Proportional to 19,621.35, 27,076.05 and 11,123.64

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Solution

The fourth proportional to 19,621.35, 27,076.05 and 11,123.64 is: 15,349.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.35 : 27,076.05 = 11,123.64 : x
  2. Step 2: Convert to fraction form
    19,621.35/27,076.05 = 11,123.64/x
  3. Step 3: Cross multiply
    19,621.35x = 27,076.05 × 11,123.64
  4. Step 4: Simplify right side
    19,621.35x = 301,184,232.82
  5. Step 5: Solve for x
    x = 301,184,232.82/19,621.35
  6. Step 6: Final answer
    x = 15,349.82

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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.