Home / 11,534.08-15,916.96-6,499.92

Finding the Fourth Proportional to 11,534.08, 15,916.96 and 6,499.92

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Solution

The fourth proportional to 11,534.08, 15,916.96 and 6,499.92 is: 8,969.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,534.08 : 15,916.96 = 6,499.92 : x
  2. Step 2: Convert to fraction form
    11,534.08/15,916.96 = 6,499.92/x
  3. Step 3: Cross multiply
    11,534.08x = 15,916.96 × 6,499.92
  4. Step 4: Simplify right side
    11,534.08x = 103,458,854.56
  5. Step 5: Solve for x
    x = 103,458,854.56/11,534.08
  6. Step 6: Final answer
    x = 8,969.84

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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.