Home / 21,747.44-30,009.95-12,056.80

Finding the Fourth Proportional to 21,747.44, 30,009.95 and 12,056.80

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Solution

The fourth proportional to 21,747.44, 30,009.95 and 12,056.80 is: 16,637.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,747.44 : 30,009.95 = 12,056.80 : x
  2. Step 2: Convert to fraction form
    21,747.44/30,009.95 = 12,056.80/x
  3. Step 3: Cross multiply
    21,747.44x = 30,009.95 × 12,056.80
  4. Step 4: Simplify right side
    21,747.44x = 361,823,965.16
  5. Step 5: Solve for x
    x = 361,823,965.16/21,747.44
  6. Step 6: Final answer
    x = 16,637.54

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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.