Home / 11,284.32-16,926.48-5,124

Finding the Fourth Proportional to 11,284.32, 16,926.48 and 5,124

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Solution

The fourth proportional to 11,284.32, 16,926.48 and 5,124 is: 7,686

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,284.32 : 16,926.48 = 5,124 : x
  2. Step 2: Convert to fraction form
    11,284.32/16,926.48 = 5,124/x
  3. Step 3: Cross multiply
    11,284.32x = 16,926.48 × 5,124
  4. Step 4: Simplify right side
    11,284.32x = 86,731,283.52
  5. Step 5: Solve for x
    x = 86,731,283.52/11,284.32
  6. Step 6: Final answer
    x = 7,686

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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.