Home / 13,832.92-19,088.82-7,865.08

Finding the Fourth Proportional to 13,832.92, 19,088.82 and 7,865.08

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Solution

The fourth proportional to 13,832.92, 19,088.82 and 7,865.08 is: 10,853.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,832.92 : 19,088.82 = 7,865.08 : x
  2. Step 2: Convert to fraction form
    13,832.92/19,088.82 = 7,865.08/x
  3. Step 3: Cross multiply
    13,832.92x = 19,088.82 × 7,865.08
  4. Step 4: Simplify right side
    13,832.92x = 150,135,096.41
  5. Step 5: Solve for x
    x = 150,135,096.41/13,832.92
  6. Step 6: Final answer
    x = 10,853.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.