Home / 10,025.91-15,039.35-2,630.38

Finding the Fourth Proportional to 10,025.91, 15,039.35 and 2,630.38

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Solution

The fourth proportional to 10,025.91, 15,039.35 and 2,630.38 is: 3,945.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,025.91 : 15,039.35 = 2,630.38 : x
  2. Step 2: Convert to fraction form
    10,025.91/15,039.35 = 2,630.38/x
  3. Step 3: Cross multiply
    10,025.91x = 15,039.35 × 2,630.38
  4. Step 4: Simplify right side
    10,025.91x = 39,559,205.45
  5. Step 5: Solve for x
    x = 39,559,205.45/10,025.91
  6. Step 6: Final answer
    x = 3,945.70

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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.