Home / 14,716.52-20,288.90-9,992.60

Finding the Fourth Proportional to 14,716.52, 20,288.90 and 9,992.60

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Solution

The fourth proportional to 14,716.52, 20,288.90 and 9,992.60 is: 13,776.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,716.52 : 20,288.90 = 9,992.60 : x
  2. Step 2: Convert to fraction form
    14,716.52/20,288.90 = 9,992.60/x
  3. Step 3: Cross multiply
    14,716.52x = 20,288.90 × 9,992.60
  4. Step 4: Simplify right side
    14,716.52x = 202,738,862.14
  5. Step 5: Solve for x
    x = 202,738,862.14/14,716.52
  6. Step 6: Final answer
    x = 13,776.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.