Home / 13,629.48-20,458.80-11,063.40

Finding the Fourth Proportional to 13,629.48, 20,458.80 and 11,063.40

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Solution

The fourth proportional to 13,629.48, 20,458.80 and 11,063.40 is: 16,606.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,629.48 : 20,458.80 = 11,063.40 : x
  2. Step 2: Convert to fraction form
    13,629.48/20,458.80 = 11,063.40/x
  3. Step 3: Cross multiply
    13,629.48x = 20,458.80 × 11,063.40
  4. Step 4: Simplify right side
    13,629.48x = 226,343,887.92
  5. Step 5: Solve for x
    x = 226,343,887.92/13,629.48
  6. Step 6: Final answer
    x = 16,606.93

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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.