Home / 19,700.15-27,182.93-11,739.47

Finding the Fourth Proportional to 19,700.15, 27,182.93 and 11,739.47

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Solution

The fourth proportional to 19,700.15, 27,182.93 and 11,739.47 is: 16,198.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,700.15 : 27,182.93 = 11,739.47 : x
  2. Step 2: Convert to fraction form
    19,700.15/27,182.93 = 11,739.47/x
  3. Step 3: Cross multiply
    19,700.15x = 27,182.93 × 11,739.47
  4. Step 4: Simplify right side
    19,700.15x = 319,112,996.64
  5. Step 5: Solve for x
    x = 319,112,996.64/19,700.15
  6. Step 6: Final answer
    x = 16,198.51

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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.