Home / 25,122.98-37,685.28-12,636.19

Finding the Fourth Proportional to 25,122.98, 37,685.28 and 12,636.19

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Solution

The fourth proportional to 25,122.98, 37,685.28 and 12,636.19 is: 18,954.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,122.98 : 37,685.28 = 12,636.19 : x
  2. Step 2: Convert to fraction form
    25,122.98/37,685.28 = 12,636.19/x
  3. Step 3: Cross multiply
    25,122.98x = 37,685.28 × 12,636.19
  4. Step 4: Simplify right side
    25,122.98x = 476,198,358.28
  5. Step 5: Solve for x
    x = 476,198,358.28/25,122.98
  6. Step 6: Final answer
    x = 18,954.69

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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.