Home / 16,746.70-25,120.60-8,422.16

Finding the Fourth Proportional to 16,746.70, 25,120.60 and 8,422.16

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Solution

The fourth proportional to 16,746.70, 25,120.60 and 8,422.16 is: 12,633.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,746.70 : 25,120.60 = 8,422.16 : x
  2. Step 2: Convert to fraction form
    16,746.70/25,120.60 = 8,422.16/x
  3. Step 3: Cross multiply
    16,746.70x = 25,120.60 × 8,422.16
  4. Step 4: Simplify right side
    16,746.70x = 211,569,712.50
  5. Step 5: Solve for x
    x = 211,569,712.50/16,746.70
  6. Step 6: Final answer
    x = 12,633.52

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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.