Home / 11,475.37-15,832.06-6,438.89

Finding the Fourth Proportional to 11,475.37, 15,832.06 and 6,438.89

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Solution

The fourth proportional to 11,475.37, 15,832.06 and 6,438.89 is: 8,883.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,475.37 : 15,832.06 = 6,438.89 : x
  2. Step 2: Convert to fraction form
    11,475.37/15,832.06 = 6,438.89/x
  3. Step 3: Cross multiply
    11,475.37x = 15,832.06 × 6,438.89
  4. Step 4: Simplify right side
    11,475.37x = 101,940,916.30
  5. Step 5: Solve for x
    x = 101,940,916.30/11,475.37
  6. Step 6: Final answer
    x = 8,883.45

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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.