Home / 17,511.80-26,262.90-7,124.60

Finding the Fourth Proportional to 17,511.80, 26,262.90 and 7,124.60

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Solution

The fourth proportional to 17,511.80, 26,262.90 and 7,124.60 is: 10,684.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,511.80 : 26,262.90 = 7,124.60 : x
  2. Step 2: Convert to fraction form
    17,511.80/26,262.90 = 7,124.60/x
  3. Step 3: Cross multiply
    17,511.80x = 26,262.90 × 7,124.60
  4. Step 4: Simplify right side
    17,511.80x = 187,112,657.34
  5. Step 5: Solve for x
    x = 187,112,657.34/17,511.80
  6. Step 6: Final answer
    x = 10,684.95

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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.