Home / 11,605.07-17,407.58-4,209.50

Finding the Fourth Proportional to 11,605.07, 17,407.58 and 4,209.50

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Solution

The fourth proportional to 11,605.07, 17,407.58 and 4,209.50 is: 6,314.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,605.07 : 17,407.58 = 4,209.50 : x
  2. Step 2: Convert to fraction form
    11,605.07/17,407.58 = 4,209.50/x
  3. Step 3: Cross multiply
    11,605.07x = 17,407.58 × 4,209.50
  4. Step 4: Simplify right side
    11,605.07x = 73,277,099.92
  5. Step 5: Solve for x
    x = 73,277,099.92/11,605.07
  6. Step 6: Final answer
    x = 6,314.23

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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.