Home / 19,740.62-29,598.78-6,589.46

Finding the Fourth Proportional to 19,740.62, 29,598.78 and 6,589.46

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Solution

The fourth proportional to 19,740.62, 29,598.78 and 6,589.46 is: 9,880.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,740.62 : 29,598.78 = 6,589.46 : x
  2. Step 2: Convert to fraction form
    19,740.62/29,598.78 = 6,589.46/x
  3. Step 3: Cross multiply
    19,740.62x = 29,598.78 × 6,589.46
  4. Step 4: Simplify right side
    19,740.62x = 195,039,976.86
  5. Step 5: Solve for x
    x = 195,039,976.86/19,740.62
  6. Step 6: Final answer
    x = 9,880.13

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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.