Home / 21,294.24-29,383.47-12,341.31

Finding the Fourth Proportional to 21,294.24, 29,383.47 and 12,341.31

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Solution

The fourth proportional to 21,294.24, 29,383.47 and 12,341.31 is: 17,029.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,294.24 : 29,383.47 = 12,341.31 : x
  2. Step 2: Convert to fraction form
    21,294.24/29,383.47 = 12,341.31/x
  3. Step 3: Cross multiply
    21,294.24x = 29,383.47 × 12,341.31
  4. Step 4: Simplify right side
    21,294.24x = 362,630,512.15
  5. Step 5: Solve for x
    x = 362,630,512.15/21,294.24
  6. Step 6: Final answer
    x = 17,029.51

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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.