Home / 21,282.59-29,368.09-12,327.23

Finding the Fourth Proportional to 21,282.59, 29,368.09 and 12,327.23

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Solution

The fourth proportional to 21,282.59, 29,368.09 and 12,327.23 is: 17,010.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,282.59 : 29,368.09 = 12,327.23 : x
  2. Step 2: Convert to fraction form
    21,282.59/29,368.09 = 12,327.23/x
  3. Step 3: Cross multiply
    21,282.59x = 29,368.09 × 12,327.23
  4. Step 4: Simplify right side
    21,282.59x = 362,027,200.09
  5. Step 5: Solve for x
    x = 362,027,200.09/21,282.59
  6. Step 6: Final answer
    x = 17,010.49

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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.