Home / 25,645.07-38,455.29-12,124.98

Finding the Fourth Proportional to 25,645.07, 38,455.29 and 12,124.98

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Solution

The fourth proportional to 25,645.07, 38,455.29 and 12,124.98 is: 18,181.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,645.07 : 38,455.29 = 12,124.98 : x
  2. Step 2: Convert to fraction form
    25,645.07/38,455.29 = 12,124.98/x
  3. Step 3: Cross multiply
    25,645.07x = 38,455.29 × 12,124.98
  4. Step 4: Simplify right side
    25,645.07x = 466,269,622.14
  5. Step 5: Solve for x
    x = 466,269,622.14/25,645.07
  6. Step 6: Final answer
    x = 18,181.65

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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.