Home / 13,287.24-19,933.72-6,627.32

Finding the Fourth Proportional to 13,287.24, 19,933.72 and 6,627.32

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Solution

The fourth proportional to 13,287.24, 19,933.72 and 6,627.32 is: 9,942.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287.24 : 19,933.72 = 6,627.32 : x
  2. Step 2: Convert to fraction form
    13,287.24/19,933.72 = 6,627.32/x
  3. Step 3: Cross multiply
    13,287.24x = 19,933.72 × 6,627.32
  4. Step 4: Simplify right side
    13,287.24x = 132,107,118.38
  5. Step 5: Solve for x
    x = 132,107,118.38/13,287.24
  6. Step 6: Final answer
    x = 9,942.40

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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.