Home / 14,133.37-21,200.50-7,109.54

Finding the Fourth Proportional to 14,133.37, 21,200.50 and 7,109.54

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Solution

The fourth proportional to 14,133.37, 21,200.50 and 7,109.54 is: 10,664.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,133.37 : 21,200.50 = 7,109.54 : x
  2. Step 2: Convert to fraction form
    14,133.37/21,200.50 = 7,109.54/x
  3. Step 3: Cross multiply
    14,133.37x = 21,200.50 × 7,109.54
  4. Step 4: Simplify right side
    14,133.37x = 150,725,864.66
  5. Step 5: Solve for x
    x = 150,725,864.66/14,133.37
  6. Step 6: Final answer
    x = 10,664.54

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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.