Home / 11,128.99-16,693.43-4,555.18

Finding the Fourth Proportional to 11,128.99, 16,693.43 and 4,555.18

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Solution

The fourth proportional to 11,128.99, 16,693.43 and 4,555.18 is: 6,832.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.99 : 16,693.43 = 4,555.18 : x
  2. Step 2: Convert to fraction form
    11,128.99/16,693.43 = 4,555.18/x
  3. Step 3: Cross multiply
    11,128.99x = 16,693.43 × 4,555.18
  4. Step 4: Simplify right side
    11,128.99x = 76,041,578.47
  5. Step 5: Solve for x
    x = 76,041,578.47/11,128.99
  6. Step 6: Final answer
    x = 6,832.75

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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.