Home / 11,235.83-15,500.90-6,983.87

Finding the Fourth Proportional to 11,235.83, 15,500.90 and 6,983.87

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Solution

The fourth proportional to 11,235.83, 15,500.90 and 6,983.87 is: 9,634.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,235.83 : 15,500.90 = 6,983.87 : x
  2. Step 2: Convert to fraction form
    11,235.83/15,500.90 = 6,983.87/x
  3. Step 3: Cross multiply
    11,235.83x = 15,500.90 × 6,983.87
  4. Step 4: Simplify right side
    11,235.83x = 108,256,270.48
  5. Step 5: Solve for x
    x = 108,256,270.48/11,235.83
  6. Step 6: Final answer
    x = 9,634.92

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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.