Home / 26,146.78-39,219.83-6,425.51

Finding the Fourth Proportional to 26,146.78, 39,219.83 and 6,425.51

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Solution

The fourth proportional to 26,146.78, 39,219.83 and 6,425.51 is: 9,638.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,146.78 : 39,219.83 = 6,425.51 : x
  2. Step 2: Convert to fraction form
    26,146.78/39,219.83 = 6,425.51/x
  3. Step 3: Cross multiply
    26,146.78x = 39,219.83 × 6,425.51
  4. Step 4: Simplify right side
    26,146.78x = 252,007,409.86
  5. Step 5: Solve for x
    x = 252,007,409.86/26,146.78
  6. Step 6: Final answer
    x = 9,638.18

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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.