Home / 13,380.46-20,055.65-6,354.72

Finding the Fourth Proportional to 13,380.46, 20,055.65 and 6,354.72

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Solution

The fourth proportional to 13,380.46, 20,055.65 and 6,354.72 is: 9,524.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,380.46 : 20,055.65 = 6,354.72 : x
  2. Step 2: Convert to fraction form
    13,380.46/20,055.65 = 6,354.72/x
  3. Step 3: Cross multiply
    13,380.46x = 20,055.65 × 6,354.72
  4. Step 4: Simplify right side
    13,380.46x = 127,448,044.14
  5. Step 5: Solve for x
    x = 127,448,044.14/13,380.46
  6. Step 6: Final answer
    x = 9,524.94

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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.