Home / 17,461.40-26,200.20-9,150.80

Finding the Fourth Proportional to 17,461.40, 26,200.20 and 9,150.80

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Solution

The fourth proportional to 17,461.40, 26,200.20 and 9,150.80 is: 13,730.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,461.40 : 26,200.20 = 9,150.80 : x
  2. Step 2: Convert to fraction form
    17,461.40/26,200.20 = 9,150.80/x
  3. Step 3: Cross multiply
    17,461.40x = 26,200.20 × 9,150.80
  4. Step 4: Simplify right side
    17,461.40x = 239,752,790.16
  5. Step 5: Solve for x
    x = 239,752,790.16/17,461.40
  6. Step 6: Final answer
    x = 13,730.44

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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.