Home / 14,039.36-21,066.42-5,725.52

Finding the Fourth Proportional to 14,039.36, 21,066.42 and 5,725.52

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Solution

The fourth proportional to 14,039.36, 21,066.42 and 5,725.52 is: 8,591.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.36 : 21,066.42 = 5,725.52 : x
  2. Step 2: Convert to fraction form
    14,039.36/21,066.42 = 5,725.52/x
  3. Step 3: Cross multiply
    14,039.36x = 21,066.42 × 5,725.52
  4. Step 4: Simplify right side
    14,039.36x = 120,616,209.04
  5. Step 5: Solve for x
    x = 120,616,209.04/14,039.36
  6. Step 6: Final answer
    x = 8,591.29

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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.