Home / 14,982.32-20,629.80-13,575.92

Finding the Fourth Proportional to 14,982.32, 20,629.80 and 13,575.92

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Solution

The fourth proportional to 14,982.32, 20,629.80 and 13,575.92 is: 18,693.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,982.32 : 20,629.80 = 13,575.92 : x
  2. Step 2: Convert to fraction form
    14,982.32/20,629.80 = 13,575.92/x
  3. Step 3: Cross multiply
    14,982.32x = 20,629.80 × 13,575.92
  4. Step 4: Simplify right side
    14,982.32x = 280,068,514.42
  5. Step 5: Solve for x
    x = 280,068,514.42/14,982.32
  6. Step 6: Final answer
    x = 18,693.27

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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.