Home / 13,923.95-20,887.14-3,535.70

Finding the Fourth Proportional to 13,923.95, 20,887.14 and 3,535.70

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Solution

The fourth proportional to 13,923.95, 20,887.14 and 3,535.70 is: 5,303.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923.95 : 20,887.14 = 3,535.70 : x
  2. Step 2: Convert to fraction form
    13,923.95/20,887.14 = 3,535.70/x
  3. Step 3: Cross multiply
    13,923.95x = 20,887.14 × 3,535.70
  4. Step 4: Simplify right side
    13,923.95x = 73,850,556.46
  5. Step 5: Solve for x
    x = 73,850,556.46/13,923.95
  6. Step 6: Final answer
    x = 5,303.85

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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.