Home / 14,828.58-20,463.57-8,114.31

Finding the Fourth Proportional to 14,828.58, 20,463.57 and 8,114.31

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Solution

The fourth proportional to 14,828.58, 20,463.57 and 8,114.31 is: 11,197.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,828.58 : 20,463.57 = 8,114.31 : x
  2. Step 2: Convert to fraction form
    14,828.58/20,463.57 = 8,114.31/x
  3. Step 3: Cross multiply
    14,828.58x = 20,463.57 × 8,114.31
  4. Step 4: Simplify right side
    14,828.58x = 166,047,750.69
  5. Step 5: Solve for x
    x = 166,047,750.69/14,828.58
  6. Step 6: Final answer
    x = 11,197.82

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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.