Home / 11,216.40-15,473.88-6,498.96

Finding the Fourth Proportional to 11,216.40, 15,473.88 and 6,498.96

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Solution

The fourth proportional to 11,216.40, 15,473.88 and 6,498.96 is: 8,965.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.40 : 15,473.88 = 6,498.96 : x
  2. Step 2: Convert to fraction form
    11,216.40/15,473.88 = 6,498.96/x
  3. Step 3: Cross multiply
    11,216.40x = 15,473.88 × 6,498.96
  4. Step 4: Simplify right side
    11,216.40x = 100,564,127.16
  5. Step 5: Solve for x
    x = 100,564,127.16/11,216.40
  6. Step 6: Final answer
    x = 8,965.81

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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.