Home / 19,455.60-29,177.64-10,216.56

Finding the Fourth Proportional to 19,455.60, 29,177.64 and 10,216.56

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Solution

The fourth proportional to 19,455.60, 29,177.64 and 10,216.56 is: 15,321.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,455.60 : 29,177.64 = 10,216.56 : x
  2. Step 2: Convert to fraction form
    19,455.60/29,177.64 = 10,216.56/x
  3. Step 3: Cross multiply
    19,455.60x = 29,177.64 × 10,216.56
  4. Step 4: Simplify right side
    19,455.60x = 298,095,109.72
  5. Step 5: Solve for x
    x = 298,095,109.72/19,455.60
  6. Step 6: Final answer
    x = 15,321.82

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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.