Home / 20,631.51-30,943.32-5,836.86

Finding the Fourth Proportional to 20,631.51, 30,943.32 and 5,836.86

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Solution

The fourth proportional to 20,631.51, 30,943.32 and 5,836.86 is: 8,754.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,631.51 : 30,943.32 = 5,836.86 : x
  2. Step 2: Convert to fraction form
    20,631.51/30,943.32 = 5,836.86/x
  3. Step 3: Cross multiply
    20,631.51x = 30,943.32 × 5,836.86
  4. Step 4: Simplify right side
    20,631.51x = 180,611,804.89
  5. Step 5: Solve for x
    x = 180,611,804.89/20,631.51
  6. Step 6: Final answer
    x = 8,754.17

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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.