Home / 14,161.57-21,338.28-11,750.40

Finding the Fourth Proportional to 14,161.57, 21,338.28 and 11,750.40

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Solution

The fourth proportional to 14,161.57, 21,338.28 and 11,750.40 is: 17,705.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,161.57 : 21,338.28 = 11,750.40 : x
  2. Step 2: Convert to fraction form
    14,161.57/21,338.28 = 11,750.40/x
  3. Step 3: Cross multiply
    14,161.57x = 21,338.28 × 11,750.40
  4. Step 4: Simplify right side
    14,161.57x = 250,733,295.94
  5. Step 5: Solve for x
    x = 250,733,295.94/14,161.57
  6. Step 6: Final answer
    x = 17,705.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.