Home / 21,474.72-29,637.90-12,046.32

Finding the Fourth Proportional to 21,474.72, 29,637.90 and 12,046.32

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Solution

The fourth proportional to 21,474.72, 29,637.90 and 12,046.32 is: 16,625.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,474.72 : 29,637.90 = 12,046.32 : x
  2. Step 2: Convert to fraction form
    21,474.72/29,637.90 = 12,046.32/x
  3. Step 3: Cross multiply
    21,474.72x = 29,637.90 × 12,046.32
  4. Step 4: Simplify right side
    21,474.72x = 357,027,627.53
  5. Step 5: Solve for x
    x = 357,027,627.53/21,474.72
  6. Step 6: Final answer
    x = 16,625.48

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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.