Home / 13,478.42-20,216.69-5,043.32

Finding the Fourth Proportional to 13,478.42, 20,216.69 and 5,043.32

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Solution

The fourth proportional to 13,478.42, 20,216.69 and 5,043.32 is: 7,564.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,478.42 : 20,216.69 = 5,043.32 : x
  2. Step 2: Convert to fraction form
    13,478.42/20,216.69 = 5,043.32/x
  3. Step 3: Cross multiply
    13,478.42x = 20,216.69 × 5,043.32
  4. Step 4: Simplify right side
    13,478.42x = 101,959,237.01
  5. Step 5: Solve for x
    x = 101,959,237.01/13,478.42
  6. Step 6: Final answer
    x = 7,564.63

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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.