Home / 9,690.99-14,536.78-2,671.12

Finding the Fourth Proportional to 9,690.99, 14,536.78 and 2,671.12

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Solution

The fourth proportional to 9,690.99, 14,536.78 and 2,671.12 is: 4,006.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,690.99 : 14,536.78 = 2,671.12 : x
  2. Step 2: Convert to fraction form
    9,690.99/14,536.78 = 2,671.12/x
  3. Step 3: Cross multiply
    9,690.99x = 14,536.78 × 2,671.12
  4. Step 4: Simplify right side
    9,690.99x = 38,829,454.40
  5. Step 5: Solve for x
    x = 38,829,454.40/9,690.99
  6. Step 6: Final answer
    x = 4,006.76

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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.