Home / 13,478.08-20,213.22-4,593.21

Finding the Fourth Proportional to 13,478.08, 20,213.22 and 4,593.21

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Solution

The fourth proportional to 13,478.08, 20,213.22 and 4,593.21 is: 6,888.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,478.08 : 20,213.22 = 4,593.21 : x
  2. Step 2: Convert to fraction form
    13,478.08/20,213.22 = 4,593.21/x
  3. Step 3: Cross multiply
    13,478.08x = 20,213.22 × 4,593.21
  4. Step 4: Simplify right side
    13,478.08x = 92,843,440.20
  5. Step 5: Solve for x
    x = 92,843,440.20/13,478.08
  6. Step 6: Final answer
    x = 6,888.48

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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.