Home / 10,690.76-16,036.11-2,899.56

Finding the Fourth Proportional to 10,690.76, 16,036.11 and 2,899.56

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Solution

The fourth proportional to 10,690.76, 16,036.11 and 2,899.56 is: 4,349.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,690.76 : 16,036.11 = 2,899.56 : x
  2. Step 2: Convert to fraction form
    10,690.76/16,036.11 = 2,899.56/x
  3. Step 3: Cross multiply
    10,690.76x = 16,036.11 × 2,899.56
  4. Step 4: Simplify right side
    10,690.76x = 46,497,663.11
  5. Step 5: Solve for x
    x = 46,497,663.11/10,690.76
  6. Step 6: Final answer
    x = 4,349.33

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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.