Home / 13,478.08-20,216.96-4,244.16

Finding the Fourth Proportional to 13,478.08, 20,216.96 and 4,244.16

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Solution

The fourth proportional to 13,478.08, 20,216.96 and 4,244.16 is: 6,366.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,478.08 : 20,216.96 = 4,244.16 : x
  2. Step 2: Convert to fraction form
    13,478.08/20,216.96 = 4,244.16/x
  3. Step 3: Cross multiply
    13,478.08x = 20,216.96 × 4,244.16
  4. Step 4: Simplify right side
    13,478.08x = 85,804,012.95
  5. Step 5: Solve for x
    x = 85,804,012.95/13,478.08
  6. Step 6: Final answer
    x = 6,366.19

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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.