Home / 10,511.31-14,511.24-8,237.97

Finding the Fourth Proportional to 10,511.31, 14,511.24 and 8,237.97

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Solution

The fourth proportional to 10,511.31, 14,511.24 and 8,237.97 is: 11,372.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,511.31 : 14,511.24 = 8,237.97 : x
  2. Step 2: Convert to fraction form
    10,511.31/14,511.24 = 8,237.97/x
  3. Step 3: Cross multiply
    10,511.31x = 14,511.24 × 8,237.97
  4. Step 4: Simplify right side
    10,511.31x = 119,543,159.78
  5. Step 5: Solve for x
    x = 119,543,159.78/10,511.31
  6. Step 6: Final answer
    x = 11,372.81

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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.