Home / 19,713.74-27,204.77-12,157.05

Finding the Fourth Proportional to 19,713.74, 27,204.77 and 12,157.05

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Solution

The fourth proportional to 19,713.74, 27,204.77 and 12,157.05 is: 16,776.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,713.74 : 27,204.77 = 12,157.05 : x
  2. Step 2: Convert to fraction form
    19,713.74/27,204.77 = 12,157.05/x
  3. Step 3: Cross multiply
    19,713.74x = 27,204.77 × 12,157.05
  4. Step 4: Simplify right side
    19,713.74x = 330,729,728.51
  5. Step 5: Solve for x
    x = 330,729,728.51/19,713.74
  6. Step 6: Final answer
    x = 16,776.61

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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.