Home / 10,939.68-16,417.47-4,367.75

Finding the Fourth Proportional to 10,939.68, 16,417.47 and 4,367.75

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Solution

The fourth proportional to 10,939.68, 16,417.47 and 4,367.75 is: 6,554.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.68 : 16,417.47 = 4,367.75 : x
  2. Step 2: Convert to fraction form
    10,939.68/16,417.47 = 4,367.75/x
  3. Step 3: Cross multiply
    10,939.68x = 16,417.47 × 4,367.75
  4. Step 4: Simplify right side
    10,939.68x = 71,707,322.51
  5. Step 5: Solve for x
    x = 71,707,322.51/10,939.68
  6. Step 6: Final answer
    x = 6,554.79

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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.