Home / 14,106.09-21,161.55-5,790.63

Finding the Fourth Proportional to 14,106.09, 21,161.55 and 5,790.63

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Solution

The fourth proportional to 14,106.09, 21,161.55 and 5,790.63 is: 8,686.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.09 : 21,161.55 = 5,790.63 : x
  2. Step 2: Convert to fraction form
    14,106.09/21,161.55 = 5,790.63/x
  3. Step 3: Cross multiply
    14,106.09x = 21,161.55 × 5,790.63
  4. Step 4: Simplify right side
    14,106.09x = 122,538,706.28
  5. Step 5: Solve for x
    x = 122,538,706.28/14,106.09
  6. Step 6: Final answer
    x = 8,686.94

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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.