Home / 13,263.86-19,892.55-8,907.68

Finding the Fourth Proportional to 13,263.86, 19,892.55 and 8,907.68

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Solution

The fourth proportional to 13,263.86, 19,892.55 and 8,907.68 is: 13,359.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263.86 : 19,892.55 = 8,907.68 : x
  2. Step 2: Convert to fraction form
    13,263.86/19,892.55 = 8,907.68/x
  3. Step 3: Cross multiply
    13,263.86x = 19,892.55 × 8,907.68
  4. Step 4: Simplify right side
    13,263.86x = 177,196,469.78
  5. Step 5: Solve for x
    x = 177,196,469.78/13,263.86
  6. Step 6: Final answer
    x = 13,359.34

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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.