Home / 21,327.41-29,433.26-12,374.91

Finding the Fourth Proportional to 21,327.41, 29,433.26 and 12,374.91

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Solution

The fourth proportional to 21,327.41, 29,433.26 and 12,374.91 is: 17,078.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,327.41 : 29,433.26 = 12,374.91 : x
  2. Step 2: Convert to fraction form
    21,327.41/29,433.26 = 12,374.91/x
  3. Step 3: Cross multiply
    21,327.41x = 29,433.26 × 12,374.91
  4. Step 4: Simplify right side
    21,327.41x = 364,233,943.51
  5. Step 5: Solve for x
    x = 364,233,943.51/21,327.41
  6. Step 6: Final answer
    x = 17,078.21

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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.