Home / 13,333.53-19,982.98-5,426.83

Finding the Fourth Proportional to 13,333.53, 19,982.98 and 5,426.83

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Solution

The fourth proportional to 13,333.53, 19,982.98 and 5,426.83 is: 8,133.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333.53 : 19,982.98 = 5,426.83 : x
  2. Step 2: Convert to fraction form
    13,333.53/19,982.98 = 5,426.83/x
  3. Step 3: Cross multiply
    13,333.53x = 19,982.98 × 5,426.83
  4. Step 4: Simplify right side
    13,333.53x = 108,444,235.35
  5. Step 5: Solve for x
    x = 108,444,235.35/13,333.53
  6. Step 6: Final answer
    x = 8,133.20

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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.