Home / 25,132.69-37,699.94-12,645.92

Finding the Fourth Proportional to 25,132.69, 37,699.94 and 12,645.92

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Solution

The fourth proportional to 25,132.69, 37,699.94 and 12,645.92 is: 18,969.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,132.69 : 37,699.94 = 12,645.92 : x
  2. Step 2: Convert to fraction form
    25,132.69/37,699.94 = 12,645.92/x
  3. Step 3: Cross multiply
    25,132.69x = 37,699.94 × 12,645.92
  4. Step 4: Simplify right side
    25,132.69x = 476,750,568.89
  5. Step 5: Solve for x
    x = 476,750,568.89/25,132.69
  6. Step 6: Final answer
    x = 18,969.34

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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.