Home / 20,087.48-30,114.66-9,553.32

Finding the Fourth Proportional to 20,087.48, 30,114.66 and 9,553.32

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Solution

The fourth proportional to 20,087.48, 30,114.66 and 9,553.32 is: 14,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,087.48 : 30,114.66 = 9,553.32 : x
  2. Step 2: Convert to fraction form
    20,087.48/30,114.66 = 9,553.32/x
  3. Step 3: Cross multiply
    20,087.48x = 30,114.66 × 9,553.32
  4. Step 4: Simplify right side
    20,087.48x = 287,694,983.67
  5. Step 5: Solve for x
    x = 287,694,983.67/20,087.48
  6. Step 6: Final answer
    x = 14,322.10

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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.