Home / 15,458.26-23,187.40-3,771.40

Finding the Fourth Proportional to 15,458.26, 23,187.40 and 3,771.40

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Solution

The fourth proportional to 15,458.26, 23,187.40 and 3,771.40 is: 5,657.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,458.26 : 23,187.40 = 3,771.40 : x
  2. Step 2: Convert to fraction form
    15,458.26/23,187.40 = 3,771.40/x
  3. Step 3: Cross multiply
    15,458.26x = 23,187.40 × 3,771.40
  4. Step 4: Simplify right side
    15,458.26x = 87,448,960.36
  5. Step 5: Solve for x
    x = 87,448,960.36/15,458.26
  6. Step 6: Final answer
    x = 5,657.10

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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.