Home / 14,202.36-21,165.06-13,774.80

Finding the Fourth Proportional to 14,202.36, 21,165.06 and 13,774.80

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Solution

The fourth proportional to 14,202.36, 21,165.06 and 13,774.80 is: 20,527.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,202.36 : 21,165.06 = 13,774.80 : x
  2. Step 2: Convert to fraction form
    14,202.36/21,165.06 = 13,774.80/x
  3. Step 3: Cross multiply
    14,202.36x = 21,165.06 × 13,774.80
  4. Step 4: Simplify right side
    14,202.36x = 291,544,468.49
  5. Step 5: Solve for x
    x = 291,544,468.49/14,202.36
  6. Step 6: Final answer
    x = 20,527.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.