Home / 13,513.44-20,276.56-4,750.32

Finding the Fourth Proportional to 13,513.44, 20,276.56 and 4,750.32

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Solution

The fourth proportional to 13,513.44, 20,276.56 and 4,750.32 is: 7,127.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513.44 : 20,276.56 = 4,750.32 : x
  2. Step 2: Convert to fraction form
    13,513.44/20,276.56 = 4,750.32/x
  3. Step 3: Cross multiply
    13,513.44x = 20,276.56 × 4,750.32
  4. Step 4: Simplify right side
    13,513.44x = 96,320,148.50
  5. Step 5: Solve for x
    x = 96,320,148.50/13,513.44
  6. Step 6: Final answer
    x = 7,127.73

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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.