Home / 12,843.77-19,265.75-4,521.88

Finding the Fourth Proportional to 12,843.77, 19,265.75 and 4,521.88

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Solution

The fourth proportional to 12,843.77, 19,265.75 and 4,521.88 is: 6,782.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,843.77 : 19,265.75 = 4,521.88 : x
  2. Step 2: Convert to fraction form
    12,843.77/19,265.75 = 4,521.88/x
  3. Step 3: Cross multiply
    12,843.77x = 19,265.75 × 4,521.88
  4. Step 4: Simplify right side
    12,843.77x = 87,117,319.67
  5. Step 5: Solve for x
    x = 87,117,319.67/12,843.77
  6. Step 6: Final answer
    x = 6,782.85

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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.