Home / 14,659.40-20,222.52-13,043.36

Finding the Fourth Proportional to 14,659.40, 20,222.52 and 13,043.36

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Solution

The fourth proportional to 14,659.40, 20,222.52 and 13,043.36 is: 17,993.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,659.40 : 20,222.52 = 13,043.36 : x
  2. Step 2: Convert to fraction form
    14,659.40/20,222.52 = 13,043.36/x
  3. Step 3: Cross multiply
    14,659.40x = 20,222.52 × 13,043.36
  4. Step 4: Simplify right side
    14,659.40x = 263,769,608.47
  5. Step 5: Solve for x
    x = 263,769,608.47/14,659.40
  6. Step 6: Final answer
    x = 17,993.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.