Home / 11,284.50-15,572.61-6,316.50

Finding the Fourth Proportional to 11,284.50, 15,572.61 and 6,316.50

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Solution

The fourth proportional to 11,284.50, 15,572.61 and 6,316.50 is: 8,716.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,284.50 : 15,572.61 = 6,316.50 : x
  2. Step 2: Convert to fraction form
    11,284.50/15,572.61 = 6,316.50/x
  3. Step 3: Cross multiply
    11,284.50x = 15,572.61 × 6,316.50
  4. Step 4: Simplify right side
    11,284.50x = 98,364,391.07
  5. Step 5: Solve for x
    x = 98,364,391.07/11,284.50
  6. Step 6: Final answer
    x = 8,716.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.