Home / 10,811.63-16,218.46-3,417.17

Finding the Fourth Proportional to 10,811.63, 16,218.46 and 3,417.17

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Solution

The fourth proportional to 10,811.63, 16,218.46 and 3,417.17 is: 5,126.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.63 : 16,218.46 = 3,417.17 : x
  2. Step 2: Convert to fraction form
    10,811.63/16,218.46 = 3,417.17/x
  3. Step 3: Cross multiply
    10,811.63x = 16,218.46 × 3,417.17
  4. Step 4: Simplify right side
    10,811.63x = 55,421,249.37
  5. Step 5: Solve for x
    x = 55,421,249.37/10,811.63
  6. Step 6: Final answer
    x = 5,126.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.