Home / 36,438.28-54,653.32-9,786.88

Finding the Fourth Proportional to 36,438.28, 54,653.32 and 9,786.88

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Solution

The fourth proportional to 36,438.28, 54,653.32 and 9,786.88 is: 14,679.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,438.28 : 54,653.32 = 9,786.88 : x
  2. Step 2: Convert to fraction form
    36,438.28/54,653.32 = 9,786.88/x
  3. Step 3: Cross multiply
    36,438.28x = 54,653.32 × 9,786.88
  4. Step 4: Simplify right side
    36,438.28x = 534,885,484.44
  5. Step 5: Solve for x
    x = 534,885,484.44/36,438.28
  6. Step 6: Final answer
    x = 14,679.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.