Home / 13,333.48-19,993.37-7,797.63

Finding the Fourth Proportional to 13,333.48, 19,993.37 and 7,797.63

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Solution

The fourth proportional to 13,333.48, 19,993.37 and 7,797.63 is: 11,692.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333.48 : 19,993.37 = 7,797.63 : x
  2. Step 2: Convert to fraction form
    13,333.48/19,993.37 = 7,797.63/x
  3. Step 3: Cross multiply
    13,333.48x = 19,993.37 × 7,797.63
  4. Step 4: Simplify right side
    13,333.48x = 155,900,901.71
  5. Step 5: Solve for x
    x = 155,900,901.71/13,333.48
  6. Step 6: Final answer
    x = 11,692.44

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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.