Home / 16,969.68-25,455.24-10,391.76

Finding the Fourth Proportional to 16,969.68, 25,455.24 and 10,391.76

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Solution

The fourth proportional to 16,969.68, 25,455.24 and 10,391.76 is: 15,588.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,969.68 : 25,455.24 = 10,391.76 : x
  2. Step 2: Convert to fraction form
    16,969.68/25,455.24 = 10,391.76/x
  3. Step 3: Cross multiply
    16,969.68x = 25,455.24 × 10,391.76
  4. Step 4: Simplify right side
    16,969.68x = 264,524,744.82
  5. Step 5: Solve for x
    x = 264,524,744.82/16,969.68
  6. Step 6: Final answer
    x = 15,588.08

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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.