Home / 11,582.19-17,373.29-6,420.87

Finding the Fourth Proportional to 11,582.19, 17,373.29 and 6,420.87

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Solution

The fourth proportional to 11,582.19, 17,373.29 and 6,420.87 is: 9,631.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,582.19 : 17,373.29 = 6,420.87 : x
  2. Step 2: Convert to fraction form
    11,582.19/17,373.29 = 6,420.87/x
  3. Step 3: Cross multiply
    11,582.19x = 17,373.29 × 6,420.87
  4. Step 4: Simplify right side
    11,582.19x = 111,551,604.46
  5. Step 5: Solve for x
    x = 111,551,604.46/11,582.19
  6. Step 6: Final answer
    x = 9,631.31

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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.