Home / 11,509.11-17,262.95-4,113.20

Finding the Fourth Proportional to 11,509.11, 17,262.95 and 4,113.20

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Solution

The fourth proportional to 11,509.11, 17,262.95 and 4,113.20 is: 6,169.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,509.11 : 17,262.95 = 4,113.20 : x
  2. Step 2: Convert to fraction form
    11,509.11/17,262.95 = 4,113.20/x
  3. Step 3: Cross multiply
    11,509.11x = 17,262.95 × 4,113.20
  4. Step 4: Simplify right side
    11,509.11x = 71,005,859.06
  5. Step 5: Solve for x
    x = 71,005,859.06/11,509.11
  6. Step 6: Final answer
    x = 6,169.54

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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.