Home / 11,245.37-15,515.17-6,528.74

Finding the Fourth Proportional to 11,245.37, 15,515.17 and 6,528.74

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Solution

The fourth proportional to 11,245.37, 15,515.17 and 6,528.74 is: 9,007.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.37 : 15,515.17 = 6,528.74 : x
  2. Step 2: Convert to fraction form
    11,245.37/15,515.17 = 6,528.74/x
  3. Step 3: Cross multiply
    11,245.37x = 15,515.17 × 6,528.74
  4. Step 4: Simplify right side
    11,245.37x = 101,294,417.09
  5. Step 5: Solve for x
    x = 101,294,417.09/11,245.37
  6. Step 6: Final answer
    x = 9,007.66

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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.