Home / 13,435.35-20,151.95-5,535.72

Finding the Fourth Proportional to 13,435.35, 20,151.95 and 5,535.72

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Solution

The fourth proportional to 13,435.35, 20,151.95 and 5,535.72 is: 8,303.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435.35 : 20,151.95 = 5,535.72 : x
  2. Step 2: Convert to fraction form
    13,435.35/20,151.95 = 5,535.72/x
  3. Step 3: Cross multiply
    13,435.35x = 20,151.95 × 5,535.72
  4. Step 4: Simplify right side
    13,435.35x = 111,555,524.98
  5. Step 5: Solve for x
    x = 111,555,524.98/13,435.35
  6. Step 6: Final answer
    x = 8,303.14

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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.