Home / 13,607.28-18,783.36-13,232.79

Finding the Fourth Proportional to 13,607.28, 18,783.36 and 13,232.79

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Solution

The fourth proportional to 13,607.28, 18,783.36 and 13,232.79 is: 18,266.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,607.28 : 18,783.36 = 13,232.79 : x
  2. Step 2: Convert to fraction form
    13,607.28/18,783.36 = 13,232.79/x
  3. Step 3: Cross multiply
    13,607.28x = 18,783.36 × 13,232.79
  4. Step 4: Simplify right side
    13,607.28x = 248,556,258.37
  5. Step 5: Solve for x
    x = 248,556,258.37/13,607.28
  6. Step 6: Final answer
    x = 18,266.42

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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.