Home / 13,923.74-20,886.18-3,535.76

Finding the Fourth Proportional to 13,923.74, 20,886.18 and 3,535.76

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Solution

The fourth proportional to 13,923.74, 20,886.18 and 3,535.76 is: 5,303.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923.74 : 20,886.18 = 3,535.76 : x
  2. Step 2: Convert to fraction form
    13,923.74/20,886.18 = 3,535.76/x
  3. Step 3: Cross multiply
    13,923.74x = 20,886.18 × 3,535.76
  4. Step 4: Simplify right side
    13,923.74x = 73,848,519.80
  5. Step 5: Solve for x
    x = 73,848,519.80/13,923.74
  6. Step 6: Final answer
    x = 5,303.78

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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.