Home / 12,824.91-19,239.32-4,503.48

Finding the Fourth Proportional to 12,824.91, 19,239.32 and 4,503.48

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Solution

The fourth proportional to 12,824.91, 19,239.32 and 4,503.48 is: 6,755.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,824.91 : 19,239.32 = 4,503.48 : x
  2. Step 2: Convert to fraction form
    12,824.91/19,239.32 = 4,503.48/x
  3. Step 3: Cross multiply
    12,824.91x = 19,239.32 × 4,503.48
  4. Step 4: Simplify right side
    12,824.91x = 86,643,870.32
  5. Step 5: Solve for x
    x = 86,643,870.32/12,824.91
  6. Step 6: Final answer
    x = 6,755.90

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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.