Home / 13,084.80-19,631.28-4,325.86

Finding the Fourth Proportional to 13,084.80, 19,631.28 and 4,325.86

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Solution

The fourth proportional to 13,084.80, 19,631.28 and 4,325.86 is: 6,490.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,084.80 : 19,631.28 = 4,325.86 : x
  2. Step 2: Convert to fraction form
    13,084.80/19,631.28 = 4,325.86/x
  3. Step 3: Cross multiply
    13,084.80x = 19,631.28 × 4,325.86
  4. Step 4: Simplify right side
    13,084.80x = 84,922,168.90
  5. Step 5: Solve for x
    x = 84,922,168.90/13,084.80
  6. Step 6: Final answer
    x = 6,490.14

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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.