Home / 11,232.72-15,500.63-6,449.29

Finding the Fourth Proportional to 11,232.72, 15,500.63 and 6,449.29

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Solution

The fourth proportional to 11,232.72, 15,500.63 and 6,449.29 is: 8,899.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,232.72 : 15,500.63 = 6,449.29 : x
  2. Step 2: Convert to fraction form
    11,232.72/15,500.63 = 6,449.29/x
  3. Step 3: Cross multiply
    11,232.72x = 15,500.63 × 6,449.29
  4. Step 4: Simplify right side
    11,232.72x = 99,968,058.05
  5. Step 5: Solve for x
    x = 99,968,058.05/11,232.72
  6. Step 6: Final answer
    x = 8,899.72

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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.