Home / 13,321.47-19,977.01-4,996.95

Finding the Fourth Proportional to 13,321.47, 19,977.01 and 4,996.95

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Solution

The fourth proportional to 13,321.47, 19,977.01 and 4,996.95 is: 7,493.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,321.47 : 19,977.01 = 4,996.95 : x
  2. Step 2: Convert to fraction form
    13,321.47/19,977.01 = 4,996.95/x
  3. Step 3: Cross multiply
    13,321.47x = 19,977.01 × 4,996.95
  4. Step 4: Simplify right side
    13,321.47x = 99,824,120.12
  5. Step 5: Solve for x
    x = 99,824,120.12/13,321.47
  6. Step 6: Final answer
    x = 7,493.48

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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.