Home / 21,301.44-29,394.72-12,348.24

Finding the Fourth Proportional to 21,301.44, 29,394.72 and 12,348.24

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Solution

The fourth proportional to 21,301.44, 29,394.72 and 12,348.24 is: 17,039.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,301.44 : 29,394.72 = 12,348.24 : x
  2. Step 2: Convert to fraction form
    21,301.44/29,394.72 = 12,348.24/x
  3. Step 3: Cross multiply
    21,301.44x = 29,394.72 × 12,348.24
  4. Step 4: Simplify right side
    21,301.44x = 362,973,057.29
  5. Step 5: Solve for x
    x = 362,973,057.29/21,301.44
  6. Step 6: Final answer
    x = 17,039.84

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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.