Home / 19,322.04-26,686.44-13,671

Finding the Fourth Proportional to 19,322.04, 26,686.44 and 13,671

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Solution

The fourth proportional to 19,322.04, 26,686.44 and 13,671 is: 18,881.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,322.04 : 26,686.44 = 13,671 : x
  2. Step 2: Convert to fraction form
    19,322.04/26,686.44 = 13,671/x
  3. Step 3: Cross multiply
    19,322.04x = 26,686.44 × 13,671
  4. Step 4: Simplify right side
    19,322.04x = 364,830,321.24
  5. Step 5: Solve for x
    x = 364,830,321.24/19,322.04
  6. Step 6: Final answer
    x = 18,881.56

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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.