Home / 14,542.80-20,057.40-9,238.92

Finding the Fourth Proportional to 14,542.80, 20,057.40 and 9,238.92

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Solution

The fourth proportional to 14,542.80, 20,057.40 and 9,238.92 is: 12,742.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,542.80 : 20,057.40 = 9,238.92 : x
  2. Step 2: Convert to fraction form
    14,542.80/20,057.40 = 9,238.92/x
  3. Step 3: Cross multiply
    14,542.80x = 20,057.40 × 9,238.92
  4. Step 4: Simplify right side
    14,542.80x = 185,308,714.01
  5. Step 5: Solve for x
    x = 185,308,714.01/14,542.80
  6. Step 6: Final answer
    x = 12,742.30

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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.