Home / 20,184.59-27,868.46-12,633.98

Finding the Fourth Proportional to 20,184.59, 27,868.46 and 12,633.98

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Solution

The fourth proportional to 20,184.59, 27,868.46 and 12,633.98 is: 17,443.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184.59 : 27,868.46 = 12,633.98 : x
  2. Step 2: Convert to fraction form
    20,184.59/27,868.46 = 12,633.98/x
  3. Step 3: Cross multiply
    20,184.59x = 27,868.46 × 12,633.98
  4. Step 4: Simplify right side
    20,184.59x = 352,089,363.76
  5. Step 5: Solve for x
    x = 352,089,363.76/20,184.59
  6. Step 6: Final answer
    x = 17,443.47

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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.