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Finding the Fourth Proportional to 25,297.62, 37,965.41 and 9,518.21

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Solution

The fourth proportional to 25,297.62, 37,965.41 and 9,518.21 is: 14,284.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,297.62 : 37,965.41 = 9,518.21 : x
  2. Step 2: Convert to fraction form
    25,297.62/37,965.41 = 9,518.21/x
  3. Step 3: Cross multiply
    25,297.62x = 37,965.41 × 9,518.21
  4. Step 4: Simplify right side
    25,297.62x = 361,362,685.76
  5. Step 5: Solve for x
    x = 361,362,685.76/25,297.62
  6. Step 6: Final answer
    x = 14,284.46

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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.