Home / 17,887.32-24,696.81-11,176.20

Finding the Fourth Proportional to 17,887.32, 24,696.81 and 11,176.20

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Solution

The fourth proportional to 17,887.32, 24,696.81 and 11,176.20 is: 15,430.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,887.32 : 24,696.81 = 11,176.20 : x
  2. Step 2: Convert to fraction form
    17,887.32/24,696.81 = 11,176.20/x
  3. Step 3: Cross multiply
    17,887.32x = 24,696.81 × 11,176.20
  4. Step 4: Simplify right side
    17,887.32x = 276,016,487.92
  5. Step 5: Solve for x
    x = 276,016,487.92/17,887.32
  6. Step 6: Final answer
    x = 15,430.85

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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.