Home / 13,535.08-20,303.04-3,674.32

Finding the Fourth Proportional to 13,535.08, 20,303.04 and 3,674.32

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Solution

The fourth proportional to 13,535.08, 20,303.04 and 3,674.32 is: 5,511.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,535.08 : 20,303.04 = 3,674.32 : x
  2. Step 2: Convert to fraction form
    13,535.08/20,303.04 = 3,674.32/x
  3. Step 3: Cross multiply
    13,535.08x = 20,303.04 × 3,674.32
  4. Step 4: Simplify right side
    13,535.08x = 74,599,865.93
  5. Step 5: Solve for x
    x = 74,599,865.93/13,535.08
  6. Step 6: Final answer
    x = 5,511.59

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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.