Home / 14,742.20-20,342.75-9,076.05

Finding the Fourth Proportional to 14,742.20, 20,342.75 and 9,076.05

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Solution

The fourth proportional to 14,742.20, 20,342.75 and 9,076.05 is: 12,524.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,742.20 : 20,342.75 = 9,076.05 : x
  2. Step 2: Convert to fraction form
    14,742.20/20,342.75 = 9,076.05/x
  3. Step 3: Cross multiply
    14,742.20x = 20,342.75 × 9,076.05
  4. Step 4: Simplify right side
    14,742.20x = 184,631,770.76
  5. Step 5: Solve for x
    x = 184,631,770.76/14,742.20
  6. Step 6: Final answer
    x = 12,524.03

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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.