Home / 22,465.45-33,688.41-11,933.20

Finding the Fourth Proportional to 22,465.45, 33,688.41 and 11,933.20

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Solution

The fourth proportional to 22,465.45, 33,688.41 and 11,933.20 is: 17,894.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,465.45 : 33,688.41 = 11,933.20 : x
  2. Step 2: Convert to fraction form
    22,465.45/33,688.41 = 11,933.20/x
  3. Step 3: Cross multiply
    22,465.45x = 33,688.41 × 11,933.20
  4. Step 4: Simplify right side
    22,465.45x = 402,010,534.21
  5. Step 5: Solve for x
    x = 402,010,534.21/22,465.45
  6. Step 6: Final answer
    x = 17,894.61

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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.