Home / 13,889.08-20,848.26-13,575.64

Finding the Fourth Proportional to 13,889.08, 20,848.26 and 13,575.64

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Solution

The fourth proportional to 13,889.08, 20,848.26 and 13,575.64 is: 20,377.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889.08 : 20,848.26 = 13,575.64 : x
  2. Step 2: Convert to fraction form
    13,889.08/20,848.26 = 13,575.64/x
  3. Step 3: Cross multiply
    13,889.08x = 20,848.26 × 13,575.64
  4. Step 4: Simplify right side
    13,889.08x = 283,028,472.39
  5. Step 5: Solve for x
    x = 283,028,472.39/13,889.08
  6. Step 6: Final answer
    x = 20,377.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.