Home / 13,285.36-19,914.12-4,961.80

Finding the Fourth Proportional to 13,285.36, 19,914.12 and 4,961.80

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Solution

The fourth proportional to 13,285.36, 19,914.12 and 4,961.80 is: 7,437.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285.36 : 19,914.12 = 4,961.80 : x
  2. Step 2: Convert to fraction form
    13,285.36/19,914.12 = 4,961.80/x
  3. Step 3: Cross multiply
    13,285.36x = 19,914.12 × 4,961.80
  4. Step 4: Simplify right side
    13,285.36x = 98,809,880.62
  5. Step 5: Solve for x
    x = 98,809,880.62/13,285.36
  6. Step 6: Final answer
    x = 7,437.50

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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.