Home / 9,318.59-13,977.88-6,388.01

Finding the Fourth Proportional to 9,318.59, 13,977.88 and 6,388.01

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Solution

The fourth proportional to 9,318.59, 13,977.88 and 6,388.01 is: 9,582.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318.59 : 13,977.88 = 6,388.01 : x
  2. Step 2: Convert to fraction form
    9,318.59/13,977.88 = 6,388.01/x
  3. Step 3: Cross multiply
    9,318.59x = 13,977.88 × 6,388.01
  4. Step 4: Simplify right side
    9,318.59x = 89,290,837.22
  5. Step 5: Solve for x
    x = 89,290,837.22/9,318.59
  6. Step 6: Final answer
    x = 9,582.01

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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.