Home / 14,636.42-20,190.02-8,973.90

Finding the Fourth Proportional to 14,636.42, 20,190.02 and 8,973.90

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Solution

The fourth proportional to 14,636.42, 20,190.02 and 8,973.90 is: 12,378.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,636.42 : 20,190.02 = 8,973.90 : x
  2. Step 2: Convert to fraction form
    14,636.42/20,190.02 = 8,973.90/x
  3. Step 3: Cross multiply
    14,636.42x = 20,190.02 × 8,973.90
  4. Step 4: Simplify right side
    14,636.42x = 181,183,220.48
  5. Step 5: Solve for x
    x = 181,183,220.48/14,636.42
  6. Step 6: Final answer
    x = 12,378.93

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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.