Home / 15,177.30-20,964.60-11,634.36

Finding the Fourth Proportional to 15,177.30, 20,964.60 and 11,634.36

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Solution

The fourth proportional to 15,177.30, 20,964.60 and 11,634.36 is: 16,070.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,177.30 : 20,964.60 = 11,634.36 : x
  2. Step 2: Convert to fraction form
    15,177.30/20,964.60 = 11,634.36/x
  3. Step 3: Cross multiply
    15,177.30x = 20,964.60 × 11,634.36
  4. Step 4: Simplify right side
    15,177.30x = 243,909,703.66
  5. Step 5: Solve for x
    x = 243,909,703.66/15,177.30
  6. Step 6: Final answer
    x = 16,070.69

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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.