Home / 11,816.52-16,306.80-6,511.32

Finding the Fourth Proportional to 11,816.52, 16,306.80 and 6,511.32

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Solution

The fourth proportional to 11,816.52, 16,306.80 and 6,511.32 is: 8,985.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816.52 : 16,306.80 = 6,511.32 : x
  2. Step 2: Convert to fraction form
    11,816.52/16,306.80 = 6,511.32/x
  3. Step 3: Cross multiply
    11,816.52x = 16,306.80 × 6,511.32
  4. Step 4: Simplify right side
    11,816.52x = 106,178,792.98
  5. Step 5: Solve for x
    x = 106,178,792.98/11,816.52
  6. Step 6: Final answer
    x = 8,985.62

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1.5x scale

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.