Home / 21,804.96-30,092.40-12,374.13

Finding the Fourth Proportional to 21,804.96, 30,092.40 and 12,374.13

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Solution

The fourth proportional to 21,804.96, 30,092.40 and 12,374.13 is: 17,077.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,804.96 : 30,092.40 = 12,374.13 : x
  2. Step 2: Convert to fraction form
    21,804.96/30,092.40 = 12,374.13/x
  3. Step 3: Cross multiply
    21,804.96x = 30,092.40 × 12,374.13
  4. Step 4: Simplify right side
    21,804.96x = 372,367,269.61
  5. Step 5: Solve for x
    x = 372,367,269.61/21,804.96
  6. Step 6: Final answer
    x = 17,077.18

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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.