Home / 16,880.24-25,295.72-11,947.20

Finding the Fourth Proportional to 16,880.24, 25,295.72 and 11,947.20

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Solution

The fourth proportional to 16,880.24, 25,295.72 and 11,947.20 is: 17,903.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,880.24 : 25,295.72 = 11,947.20 : x
  2. Step 2: Convert to fraction form
    16,880.24/25,295.72 = 11,947.20/x
  3. Step 3: Cross multiply
    16,880.24x = 25,295.72 × 11,947.20
  4. Step 4: Simplify right side
    16,880.24x = 302,213,025.98
  5. Step 5: Solve for x
    x = 302,213,025.98/16,880.24
  6. Step 6: Final answer
    x = 17,903.36

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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.