Home / 22,386.33-30,893.66-12,315.33

Finding the Fourth Proportional to 22,386.33, 30,893.66 and 12,315.33

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Solution

The fourth proportional to 22,386.33, 30,893.66 and 12,315.33 is: 16,995.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,386.33 : 30,893.66 = 12,315.33 : x
  2. Step 2: Convert to fraction form
    22,386.33/30,893.66 = 12,315.33/x
  3. Step 3: Cross multiply
    22,386.33x = 30,893.66 × 12,315.33
  4. Step 4: Simplify right side
    22,386.33x = 380,465,617.81
  5. Step 5: Solve for x
    x = 380,465,617.81/22,386.33
  6. Step 6: Final answer
    x = 16,995.44

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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.