Home / 10,421.97-14,382.38-5,945.68

Finding the Fourth Proportional to 10,421.97, 14,382.38 and 5,945.68

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Solution

The fourth proportional to 10,421.97, 14,382.38 and 5,945.68 is: 8,205.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,421.97 : 14,382.38 = 5,945.68 : x
  2. Step 2: Convert to fraction form
    10,421.97/14,382.38 = 5,945.68/x
  3. Step 3: Cross multiply
    10,421.97x = 14,382.38 × 5,945.68
  4. Step 4: Simplify right side
    10,421.97x = 85,513,029.12
  5. Step 5: Solve for x
    x = 85,513,029.12/10,421.97
  6. Step 6: Final answer
    x = 8,205.07

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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.