Home / 13,444.08-20,163.96-4,210.08

Finding the Fourth Proportional to 13,444.08, 20,163.96 and 4,210.08

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Solution

The fourth proportional to 13,444.08, 20,163.96 and 4,210.08 is: 6,314.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.08 : 20,163.96 = 4,210.08 : x
  2. Step 2: Convert to fraction form
    13,444.08/20,163.96 = 4,210.08/x
  3. Step 3: Cross multiply
    13,444.08x = 20,163.96 × 4,210.08
  4. Step 4: Simplify right side
    13,444.08x = 84,891,884.72
  5. Step 5: Solve for x
    x = 84,891,884.72/13,444.08
  6. Step 6: Final answer
    x = 6,314.44

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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.