Home / 11,535.08-15,918.33-6,500.92

Finding the Fourth Proportional to 11,535.08, 15,918.33 and 6,500.92

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Solution

The fourth proportional to 11,535.08, 15,918.33 and 6,500.92 is: 8,971.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,535.08 : 15,918.33 = 6,500.92 : x
  2. Step 2: Convert to fraction form
    11,535.08/15,918.33 = 6,500.92/x
  3. Step 3: Cross multiply
    11,535.08x = 15,918.33 × 6,500.92
  4. Step 4: Simplify right side
    11,535.08x = 103,483,789.86
  5. Step 5: Solve for x
    x = 103,483,789.86/11,535.08
  6. Step 6: Final answer
    x = 8,971.22

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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.