Home / 11,655.19-16,083.70-6,349.87

Finding the Fourth Proportional to 11,655.19, 16,083.70 and 6,349.87

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Solution

The fourth proportional to 11,655.19, 16,083.70 and 6,349.87 is: 8,762.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,655.19 : 16,083.70 = 6,349.87 : x
  2. Step 2: Convert to fraction form
    11,655.19/16,083.70 = 6,349.87/x
  3. Step 3: Cross multiply
    11,655.19x = 16,083.70 × 6,349.87
  4. Step 4: Simplify right side
    11,655.19x = 102,129,404.12
  5. Step 5: Solve for x
    x = 102,129,404.12/11,655.19
  6. Step 6: Final answer
    x = 8,762.57

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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.