Home / 13,450.50-18,566.55-9,270.90

Finding the Fourth Proportional to 13,450.50, 18,566.55 and 9,270.90

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Solution

The fourth proportional to 13,450.50, 18,566.55 and 9,270.90 is: 12,797.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.50 : 18,566.55 = 9,270.90 : x
  2. Step 2: Convert to fraction form
    13,450.50/18,566.55 = 9,270.90/x
  3. Step 3: Cross multiply
    13,450.50x = 18,566.55 × 9,270.90
  4. Step 4: Simplify right side
    13,450.50x = 172,128,628.40
  5. Step 5: Solve for x
    x = 172,128,628.40/13,450.50
  6. Step 6: Final answer
    x = 12,797.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.