Home / 16,838.20-25,257.30-5,151.40

Finding the Fourth Proportional to 16,838.20, 25,257.30 and 5,151.40

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Solution

The fourth proportional to 16,838.20, 25,257.30 and 5,151.40 is: 7,727.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,838.20 : 25,257.30 = 5,151.40 : x
  2. Step 2: Convert to fraction form
    16,838.20/25,257.30 = 5,151.40/x
  3. Step 3: Cross multiply
    16,838.20x = 25,257.30 × 5,151.40
  4. Step 4: Simplify right side
    16,838.20x = 130,110,455.22
  5. Step 5: Solve for x
    x = 130,110,455.22/16,838.20
  6. Step 6: Final answer
    x = 7,727.10

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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.