Home / 13,970.45-20,955.63-5,650.37

Finding the Fourth Proportional to 13,970.45, 20,955.63 and 5,650.37

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Solution

The fourth proportional to 13,970.45, 20,955.63 and 5,650.37 is: 8,475.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,970.45 : 20,955.63 = 5,650.37 : x
  2. Step 2: Convert to fraction form
    13,970.45/20,955.63 = 5,650.37/x
  3. Step 3: Cross multiply
    13,970.45x = 20,955.63 × 5,650.37
  4. Step 4: Simplify right side
    13,970.45x = 118,407,063.08
  5. Step 5: Solve for x
    x = 118,407,063.08/13,970.45
  6. Step 6: Final answer
    x = 8,475.54

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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.