Home / 16,856.16-25,285.36-5,169.44

Finding the Fourth Proportional to 16,856.16, 25,285.36 and 5,169.44

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Solution

The fourth proportional to 16,856.16, 25,285.36 and 5,169.44 is: 7,754.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,856.16 : 25,285.36 = 5,169.44 : x
  2. Step 2: Convert to fraction form
    16,856.16/25,285.36 = 5,169.44/x
  3. Step 3: Cross multiply
    16,856.16x = 25,285.36 × 5,169.44
  4. Step 4: Simplify right side
    16,856.16x = 130,711,151.40
  5. Step 5: Solve for x
    x = 130,711,151.40/16,856.16
  6. Step 6: Final answer
    x = 7,754.50

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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.