Home / 11,284.72-16,931.76-4,712.32

Finding the Fourth Proportional to 11,284.72, 16,931.76 and 4,712.32

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Solution

The fourth proportional to 11,284.72, 16,931.76 and 4,712.32 is: 7,070.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,284.72 : 16,931.76 = 4,712.32 : x
  2. Step 2: Convert to fraction form
    11,284.72/16,931.76 = 4,712.32/x
  3. Step 3: Cross multiply
    11,284.72x = 16,931.76 × 4,712.32
  4. Step 4: Simplify right side
    11,284.72x = 79,787,871.28
  5. Step 5: Solve for x
    x = 79,787,871.28/11,284.72
  6. Step 6: Final answer
    x = 7,070.43

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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.