Home / 11,435.45-17,139.47-5,891.40

Finding the Fourth Proportional to 11,435.45, 17,139.47 and 5,891.40

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Solution

The fourth proportional to 11,435.45, 17,139.47 and 5,891.40 is: 8,830.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,435.45 : 17,139.47 = 5,891.40 : x
  2. Step 2: Convert to fraction form
    11,435.45/17,139.47 = 5,891.40/x
  3. Step 3: Cross multiply
    11,435.45x = 17,139.47 × 5,891.40
  4. Step 4: Simplify right side
    11,435.45x = 100,975,444.10
  5. Step 5: Solve for x
    x = 100,975,444.10/11,435.45
  6. Step 6: Final answer
    x = 8,830.04

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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.