Home / 10,208.22-15,316.47-6,919.44

Finding the Fourth Proportional to 10,208.22, 15,316.47 and 6,919.44

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Solution

The fourth proportional to 10,208.22, 15,316.47 and 6,919.44 is: 10,381.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,208.22 : 15,316.47 = 6,919.44 : x
  2. Step 2: Convert to fraction form
    10,208.22/15,316.47 = 6,919.44/x
  3. Step 3: Cross multiply
    10,208.22x = 15,316.47 × 6,919.44
  4. Step 4: Simplify right side
    10,208.22x = 105,981,395.18
  5. Step 5: Solve for x
    x = 105,981,395.18/10,208.22
  6. Step 6: Final answer
    x = 10,381.97

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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.