Home / 16,847.70-25,271.55-12,911.10

Finding the Fourth Proportional to 16,847.70, 25,271.55 and 12,911.10

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Solution

The fourth proportional to 16,847.70, 25,271.55 and 12,911.10 is: 19,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,847.70 : 25,271.55 = 12,911.10 : x
  2. Step 2: Convert to fraction form
    16,847.70/25,271.55 = 12,911.10/x
  3. Step 3: Cross multiply
    16,847.70x = 25,271.55 × 12,911.10
  4. Step 4: Simplify right side
    16,847.70x = 326,283,509.21
  5. Step 5: Solve for x
    x = 326,283,509.21/16,847.70
  6. Step 6: Final answer
    x = 19,366.65

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Similar ratio
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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.