Home / 25,180.92-34,750.58-13,851.30

Finding the Fourth Proportional to 25,180.92, 34,750.58 and 13,851.30

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Solution

The fourth proportional to 25,180.92, 34,750.58 and 13,851.30 is: 19,115.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,180.92 : 34,750.58 = 13,851.30 : x
  2. Step 2: Convert to fraction form
    25,180.92/34,750.58 = 13,851.30/x
  3. Step 3: Cross multiply
    25,180.92x = 34,750.58 × 13,851.30
  4. Step 4: Simplify right side
    25,180.92x = 481,340,769.81
  5. Step 5: Solve for x
    x = 481,340,769.81/25,180.92
  6. Step 6: Final answer
    x = 19,115.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.