Home / 10,395.91-14,345.67-5,920.12

Finding the Fourth Proportional to 10,395.91, 14,345.67 and 5,920.12

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Solution

The fourth proportional to 10,395.91, 14,345.67 and 5,920.12 is: 8,169.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,395.91 : 14,345.67 = 5,920.12 : x
  2. Step 2: Convert to fraction form
    10,395.91/14,345.67 = 5,920.12/x
  3. Step 3: Cross multiply
    10,395.91x = 14,345.67 × 5,920.12
  4. Step 4: Simplify right side
    10,395.91x = 84,928,087.88
  5. Step 5: Solve for x
    x = 84,928,087.88/10,395.91
  6. Step 6: Final answer
    x = 8,169.38

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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.