Home / 12,884.86-19,334.58-5,488.55

Finding the Fourth Proportional to 12,884.86, 19,334.58 and 5,488.55

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Solution

The fourth proportional to 12,884.86, 19,334.58 and 5,488.55 is: 8,235.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884.86 : 19,334.58 = 5,488.55 : x
  2. Step 2: Convert to fraction form
    12,884.86/19,334.58 = 5,488.55/x
  3. Step 3: Cross multiply
    12,884.86x = 19,334.58 × 5,488.55
  4. Step 4: Simplify right side
    12,884.86x = 106,118,809.06
  5. Step 5: Solve for x
    x = 106,118,809.06/12,884.86
  6. Step 6: Final answer
    x = 8,235.93

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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.