Home / 14,102.83-21,154.26-5,781.36

Finding the Fourth Proportional to 14,102.83, 21,154.26 and 5,781.36

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Solution

The fourth proportional to 14,102.83, 21,154.26 and 5,781.36 is: 8,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102.83 : 21,154.26 = 5,781.36 : x
  2. Step 2: Convert to fraction form
    14,102.83/21,154.26 = 5,781.36/x
  3. Step 3: Cross multiply
    14,102.83x = 21,154.26 × 5,781.36
  4. Step 4: Simplify right side
    14,102.83x = 122,300,392.59
  5. Step 5: Solve for x
    x = 122,300,392.59/14,102.83
  6. Step 6: Final answer
    x = 8,672.05

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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.