Home / 11,284.10-16,931.04-4,711.76

Finding the Fourth Proportional to 11,284.10, 16,931.04 and 4,711.76

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Solution

The fourth proportional to 11,284.10, 16,931.04 and 4,711.76 is: 7,069.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,284.10 : 16,931.04 = 4,711.76 : x
  2. Step 2: Convert to fraction form
    11,284.10/16,931.04 = 4,711.76/x
  3. Step 3: Cross multiply
    11,284.10x = 16,931.04 × 4,711.76
  4. Step 4: Simplify right side
    11,284.10x = 79,774,997.03
  5. Step 5: Solve for x
    x = 79,774,997.03/11,284.10
  6. Step 6: Final answer
    x = 7,069.68

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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.