Home / 11,529.44-15,909.76-6,493.28

Finding the Fourth Proportional to 11,529.44, 15,909.76 and 6,493.28

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Solution

The fourth proportional to 11,529.44, 15,909.76 and 6,493.28 is: 8,960.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,529.44 : 15,909.76 = 6,493.28 : x
  2. Step 2: Convert to fraction form
    11,529.44/15,909.76 = 6,493.28/x
  3. Step 3: Cross multiply
    11,529.44x = 15,909.76 × 6,493.28
  4. Step 4: Simplify right side
    11,529.44x = 103,306,526.41
  5. Step 5: Solve for x
    x = 103,306,526.41/11,529.44
  6. Step 6: Final answer
    x = 8,960.24

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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.