Home / 13,236.48-19,709.64-12,763.44

Finding the Fourth Proportional to 13,236.48, 19,709.64 and 12,763.44

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Solution

The fourth proportional to 13,236.48, 19,709.64 and 12,763.44 is: 19,005.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.48 : 19,709.64 = 12,763.44 : x
  2. Step 2: Convert to fraction form
    13,236.48/19,709.64 = 12,763.44/x
  3. Step 3: Cross multiply
    13,236.48x = 19,709.64 × 12,763.44
  4. Step 4: Simplify right side
    13,236.48x = 251,562,807.56
  5. Step 5: Solve for x
    x = 251,562,807.56/13,236.48
  6. Step 6: Final answer
    x = 19,005.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.