Home / 20,895.09-28,834.34-11,463.04

Finding the Fourth Proportional to 20,895.09, 28,834.34 and 11,463.04

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Solution

The fourth proportional to 20,895.09, 28,834.34 and 11,463.04 is: 15,818.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,895.09 : 28,834.34 = 11,463.04 : x
  2. Step 2: Convert to fraction form
    20,895.09/28,834.34 = 11,463.04/x
  3. Step 3: Cross multiply
    20,895.09x = 28,834.34 × 11,463.04
  4. Step 4: Simplify right side
    20,895.09x = 330,529,192.79
  5. Step 5: Solve for x
    x = 330,529,192.79/20,895.09
  6. Step 6: Final answer
    x = 15,818.51

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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.