Home / 25,171.14-37,756.80-7,640.94

Finding the Fourth Proportional to 25,171.14, 37,756.80 and 7,640.94

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Solution

The fourth proportional to 25,171.14, 37,756.80 and 7,640.94 is: 11,461.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,171.14 : 37,756.80 = 7,640.94 : x
  2. Step 2: Convert to fraction form
    25,171.14/37,756.80 = 7,640.94/x
  3. Step 3: Cross multiply
    25,171.14x = 37,756.80 × 7,640.94
  4. Step 4: Simplify right side
    25,171.14x = 288,497,443.39
  5. Step 5: Solve for x
    x = 288,497,443.39/25,171.14
  6. Step 6: Final answer
    x = 11,461.44

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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.