Home / 13,258.09-19,882.94-4,490.96

Finding the Fourth Proportional to 13,258.09, 19,882.94 and 4,490.96

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Solution

The fourth proportional to 13,258.09, 19,882.94 and 4,490.96 is: 6,735.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.09 : 19,882.94 = 4,490.96 : x
  2. Step 2: Convert to fraction form
    13,258.09/19,882.94 = 4,490.96/x
  3. Step 3: Cross multiply
    13,258.09x = 19,882.94 × 4,490.96
  4. Step 4: Simplify right side
    13,258.09x = 89,293,366.35
  5. Step 5: Solve for x
    x = 89,293,366.35/13,258.09
  6. Step 6: Final answer
    x = 6,735.01

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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.