Home / 11,528.76-15,909.53-6,493.48

Finding the Fourth Proportional to 11,528.76, 15,909.53 and 6,493.48

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Solution

The fourth proportional to 11,528.76, 15,909.53 and 6,493.48 is: 8,960.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528.76 : 15,909.53 = 6,493.48 : x
  2. Step 2: Convert to fraction form
    11,528.76/15,909.53 = 6,493.48/x
  3. Step 3: Cross multiply
    11,528.76x = 15,909.53 × 6,493.48
  4. Step 4: Simplify right side
    11,528.76x = 103,308,142.62
  5. Step 5: Solve for x
    x = 103,308,142.62/11,528.76
  6. Step 6: Final answer
    x = 8,960.91

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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.