Home / 13,846.40-19,099.52-9,868.80

Finding the Fourth Proportional to 13,846.40, 19,099.52 and 9,868.80

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Solution

The fourth proportional to 13,846.40, 19,099.52 and 9,868.80 is: 13,612.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,846.40 : 19,099.52 = 9,868.80 : x
  2. Step 2: Convert to fraction form
    13,846.40/19,099.52 = 9,868.80/x
  3. Step 3: Cross multiply
    13,846.40x = 19,099.52 × 9,868.80
  4. Step 4: Simplify right side
    13,846.40x = 188,489,342.98
  5. Step 5: Solve for x
    x = 188,489,342.98/13,846.40
  6. Step 6: Final answer
    x = 13,612.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.