Home / 14,771.89-20,385.37-8,057.45

Finding the Fourth Proportional to 14,771.89, 20,385.37 and 8,057.45

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Solution

The fourth proportional to 14,771.89, 20,385.37 and 8,057.45 is: 11,119.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771.89 : 20,385.37 = 8,057.45 : x
  2. Step 2: Convert to fraction form
    14,771.89/20,385.37 = 8,057.45/x
  3. Step 3: Cross multiply
    14,771.89x = 20,385.37 × 8,057.45
  4. Step 4: Simplify right side
    14,771.89x = 164,254,099.51
  5. Step 5: Solve for x
    x = 164,254,099.51/14,771.89
  6. Step 6: Final answer
    x = 11,119.37

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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.