Home / 12,473.40-17,218.91-8,226.98

Finding the Fourth Proportional to 12,473.40, 17,218.91 and 8,226.98

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Solution

The fourth proportional to 12,473.40, 17,218.91 and 8,226.98 is: 11,356.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.40 : 17,218.91 = 8,226.98 : x
  2. Step 2: Convert to fraction form
    12,473.40/17,218.91 = 8,226.98/x
  3. Step 3: Cross multiply
    12,473.40x = 17,218.91 × 8,226.98
  4. Step 4: Simplify right side
    12,473.40x = 141,659,628.19
  5. Step 5: Solve for x
    x = 141,659,628.19/12,473.40
  6. Step 6: Final answer
    x = 11,356.94

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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.