Home / 11,305.31-15,601.34-6,270.30

Finding the Fourth Proportional to 11,305.31, 15,601.34 and 6,270.30

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Solution

The fourth proportional to 11,305.31, 15,601.34 and 6,270.30 is: 8,653.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,305.31 : 15,601.34 = 6,270.30 : x
  2. Step 2: Convert to fraction form
    11,305.31/15,601.34 = 6,270.30/x
  3. Step 3: Cross multiply
    11,305.31x = 15,601.34 × 6,270.30
  4. Step 4: Simplify right side
    11,305.31x = 97,825,050.85
  5. Step 5: Solve for x
    x = 97,825,050.85/11,305.31
  6. Step 6: Final answer
    x = 8,653.02

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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.