Home / 19,740.56-27,237.48-11,785.36

Finding the Fourth Proportional to 19,740.56, 27,237.48 and 11,785.36

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Solution

The fourth proportional to 19,740.56, 27,237.48 and 11,785.36 is: 16,261.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,740.56 : 27,237.48 = 11,785.36 : x
  2. Step 2: Convert to fraction form
    19,740.56/27,237.48 = 11,785.36/x
  3. Step 3: Cross multiply
    19,740.56x = 27,237.48 × 11,785.36
  4. Step 4: Simplify right side
    19,740.56x = 321,003,507.29
  5. Step 5: Solve for x
    x = 321,003,507.29/19,740.56
  6. Step 6: Final answer
    x = 16,261.11

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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.