Home / 20,068.83-27,685.80-12,997.53

Finding the Fourth Proportional to 20,068.83, 27,685.80 and 12,997.53

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Solution

The fourth proportional to 20,068.83, 27,685.80 and 12,997.53 is: 17,930.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,068.83 : 27,685.80 = 12,997.53 : x
  2. Step 2: Convert to fraction form
    20,068.83/27,685.80 = 12,997.53/x
  3. Step 3: Cross multiply
    20,068.83x = 27,685.80 × 12,997.53
  4. Step 4: Simplify right side
    20,068.83x = 359,847,016.07
  5. Step 5: Solve for x
    x = 359,847,016.07/20,068.83
  6. Step 6: Final answer
    x = 17,930.64

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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.