Home / 20,883.32-31,318.82-6,088.26

Finding the Fourth Proportional to 20,883.32, 31,318.82 and 6,088.26

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Solution

The fourth proportional to 20,883.32, 31,318.82 and 6,088.26 is: 9,130.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883.32 : 31,318.82 = 6,088.26 : x
  2. Step 2: Convert to fraction form
    20,883.32/31,318.82 = 6,088.26/x
  3. Step 3: Cross multiply
    20,883.32x = 31,318.82 × 6,088.26
  4. Step 4: Simplify right side
    20,883.32x = 190,677,088.61
  5. Step 5: Solve for x
    x = 190,677,088.61/20,883.32
  6. Step 6: Final answer
    x = 9,130.59

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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.