Home / 25,156.39-37,735.89-6,436.60

Finding the Fourth Proportional to 25,156.39, 37,735.89 and 6,436.60

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Solution

The fourth proportional to 25,156.39, 37,735.89 and 6,436.60 is: 9,655.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,156.39 : 37,735.89 = 6,436.60 : x
  2. Step 2: Convert to fraction form
    25,156.39/37,735.89 = 6,436.60/x
  3. Step 3: Cross multiply
    25,156.39x = 37,735.89 × 6,436.60
  4. Step 4: Simplify right side
    25,156.39x = 242,890,747.30
  5. Step 5: Solve for x
    x = 242,890,747.30/25,156.39
  6. Step 6: Final answer
    x = 9,655.23

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1.5x scale

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.