Home / 22,709.28-34,021.06-11,622.99

Finding the Fourth Proportional to 22,709.28, 34,021.06 and 11,622.99

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Solution

The fourth proportional to 22,709.28, 34,021.06 and 11,622.99 is: 17,412.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,709.28 : 34,021.06 = 11,622.99 : x
  2. Step 2: Convert to fraction form
    22,709.28/34,021.06 = 11,622.99/x
  3. Step 3: Cross multiply
    22,709.28x = 34,021.06 × 11,622.99
  4. Step 4: Simplify right side
    22,709.28x = 395,426,411.11
  5. Step 5: Solve for x
    x = 395,426,411.11/22,709.28
  6. Step 6: Final answer
    x = 17,412.55

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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.