Home / 19,246.84-28,896.82-13,309.16

Finding the Fourth Proportional to 19,246.84, 28,896.82 and 13,309.16

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Solution

The fourth proportional to 19,246.84, 28,896.82 and 13,309.16 is: 19,982.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,246.84 : 28,896.82 = 13,309.16 : x
  2. Step 2: Convert to fraction form
    19,246.84/28,896.82 = 13,309.16/x
  3. Step 3: Cross multiply
    19,246.84x = 28,896.82 × 13,309.16
  4. Step 4: Simplify right side
    19,246.84x = 384,592,400.87
  5. Step 5: Solve for x
    x = 384,592,400.87/19,246.84
  6. Step 6: Final answer
    x = 19,982.11

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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.