Home / 14,325.53-21,383.60-13,270.30

Finding the Fourth Proportional to 14,325.53, 21,383.60 and 13,270.30

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Solution

The fourth proportional to 14,325.53, 21,383.60 and 13,270.30 is: 19,808.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,325.53 : 21,383.60 = 13,270.30 : x
  2. Step 2: Convert to fraction form
    14,325.53/21,383.60 = 13,270.30/x
  3. Step 3: Cross multiply
    14,325.53x = 21,383.60 × 13,270.30
  4. Step 4: Simplify right side
    14,325.53x = 283,766,667.27
  5. Step 5: Solve for x
    x = 283,766,667.27/14,325.53
  6. Step 6: Final answer
    x = 19,808.47

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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.