Home / 22,315.80-30,794.94-13,358.10

Finding the Fourth Proportional to 22,315.80, 30,794.94 and 13,358.10

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Solution

The fourth proportional to 22,315.80, 30,794.94 and 13,358.10 is: 18,433.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,315.80 : 30,794.94 = 13,358.10 : x
  2. Step 2: Convert to fraction form
    22,315.80/30,794.94 = 13,358.10/x
  3. Step 3: Cross multiply
    22,315.80x = 30,794.94 × 13,358.10
  4. Step 4: Simplify right side
    22,315.80x = 411,361,888.01
  5. Step 5: Solve for x
    x = 411,361,888.01/22,315.80
  6. Step 6: Final answer
    x = 18,433.66

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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.