Home / 17,518.20-26,277.30-10,957.20

Finding the Fourth Proportional to 17,518.20, 26,277.30 and 10,957.20

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Solution

The fourth proportional to 17,518.20, 26,277.30 and 10,957.20 is: 16,435.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,518.20 : 26,277.30 = 10,957.20 : x
  2. Step 2: Convert to fraction form
    17,518.20/26,277.30 = 10,957.20/x
  3. Step 3: Cross multiply
    17,518.20x = 26,277.30 × 10,957.20
  4. Step 4: Simplify right side
    17,518.20x = 287,925,631.56
  5. Step 5: Solve for x
    x = 287,925,631.56/17,518.20
  6. Step 6: Final answer
    x = 16,435.80

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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.