Home / 17,487.90-26,222.23-11,947.50

Finding the Fourth Proportional to 17,487.90, 26,222.23 and 11,947.50

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Solution

The fourth proportional to 17,487.90, 26,222.23 and 11,947.50 is: 17,914.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,487.90 : 26,222.23 = 11,947.50 : x
  2. Step 2: Convert to fraction form
    17,487.90/26,222.23 = 11,947.50/x
  3. Step 3: Cross multiply
    17,487.90x = 26,222.23 × 11,947.50
  4. Step 4: Simplify right side
    17,487.90x = 313,290,107.86
  5. Step 5: Solve for x
    x = 313,290,107.86/17,487.90
  6. Step 6: Final answer
    x = 17,914.68

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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.