Home / 13,228.71-19,843.51-6,651.30

Finding the Fourth Proportional to 13,228.71, 19,843.51 and 6,651.30

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Solution

The fourth proportional to 13,228.71, 19,843.51 and 6,651.30 is: 9,977.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,228.71 : 19,843.51 = 6,651.30 : x
  2. Step 2: Convert to fraction form
    13,228.71/19,843.51 = 6,651.30/x
  3. Step 3: Cross multiply
    13,228.71x = 19,843.51 × 6,651.30
  4. Step 4: Simplify right side
    13,228.71x = 131,985,138.06
  5. Step 5: Solve for x
    x = 131,985,138.06/13,228.71
  6. Step 6: Final answer
    x = 9,977.17

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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.