Home / 14,520.31-20,036.68-8,146.92

Finding the Fourth Proportional to 14,520.31, 20,036.68 and 8,146.92

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Solution

The fourth proportional to 14,520.31, 20,036.68 and 8,146.92 is: 11,241.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520.31 : 20,036.68 = 8,146.92 : x
  2. Step 2: Convert to fraction form
    14,520.31/20,036.68 = 8,146.92/x
  3. Step 3: Cross multiply
    14,520.31x = 20,036.68 × 8,146.92
  4. Step 4: Simplify right side
    14,520.31x = 163,237,154.37
  5. Step 5: Solve for x
    x = 163,237,154.37/14,520.31
  6. Step 6: Final answer
    x = 11,241.99

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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.