Home / 19,804.12-27,333.54-13,090.12

Finding the Fourth Proportional to 19,804.12, 27,333.54 and 13,090.12

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Solution

The fourth proportional to 19,804.12, 27,333.54 and 13,090.12 is: 18,066.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,804.12 : 27,333.54 = 13,090.12 : x
  2. Step 2: Convert to fraction form
    19,804.12/27,333.54 = 13,090.12/x
  3. Step 3: Cross multiply
    19,804.12x = 27,333.54 × 13,090.12
  4. Step 4: Simplify right side
    19,804.12x = 357,799,318.62
  5. Step 5: Solve for x
    x = 357,799,318.62/19,804.12
  6. Step 6: Final answer
    x = 18,066.91

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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.