Home / 13,324.37-19,988.99-6,664.35

Finding the Fourth Proportional to 13,324.37, 19,988.99 and 6,664.35

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Solution

The fourth proportional to 13,324.37, 19,988.99 and 6,664.35 is: 9,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.37 : 19,988.99 = 6,664.35 : x
  2. Step 2: Convert to fraction form
    13,324.37/19,988.99 = 6,664.35/x
  3. Step 3: Cross multiply
    13,324.37x = 19,988.99 × 6,664.35
  4. Step 4: Simplify right side
    13,324.37x = 133,213,592.18
  5. Step 5: Solve for x
    x = 133,213,592.18/13,324.37
  6. Step 6: Final answer
    x = 9,997.74

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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.