Home / 11,816.18-16,306.36-6,511.34

Finding the Fourth Proportional to 11,816.18, 16,306.36 and 6,511.34

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Solution

The fourth proportional to 11,816.18, 16,306.36 and 6,511.34 is: 8,985.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816.18 : 16,306.36 = 6,511.34 : x
  2. Step 2: Convert to fraction form
    11,816.18/16,306.36 = 6,511.34/x
  3. Step 3: Cross multiply
    11,816.18x = 16,306.36 × 6,511.34
  4. Step 4: Simplify right side
    11,816.18x = 106,176,223.51
  5. Step 5: Solve for x
    x = 106,176,223.51/11,816.18
  6. Step 6: Final answer
    x = 8,985.66

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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.