Home / 11,126.32-16,695.23-4,890.71

Finding the Fourth Proportional to 11,126.32, 16,695.23 and 4,890.71

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Solution

The fourth proportional to 11,126.32, 16,695.23 and 4,890.71 is: 7,338.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.32 : 16,695.23 = 4,890.71 : x
  2. Step 2: Convert to fraction form
    11,126.32/16,695.23 = 4,890.71/x
  3. Step 3: Cross multiply
    11,126.32x = 16,695.23 × 4,890.71
  4. Step 4: Simplify right side
    11,126.32x = 81,651,528.31
  5. Step 5: Solve for x
    x = 81,651,528.31/11,126.32
  6. Step 6: Final answer
    x = 7,338.59

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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.