Home / 21,349.53-29,464.94-12,397.03

Finding the Fourth Proportional to 21,349.53, 29,464.94 and 12,397.03

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Solution

The fourth proportional to 21,349.53, 29,464.94 and 12,397.03 is: 17,109.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,349.53 : 29,464.94 = 12,397.03 : x
  2. Step 2: Convert to fraction form
    21,349.53/29,464.94 = 12,397.03/x
  3. Step 3: Cross multiply
    21,349.53x = 29,464.94 × 12,397.03
  4. Step 4: Simplify right side
    21,349.53x = 365,277,745.13
  5. Step 5: Solve for x
    x = 365,277,745.13/21,349.53
  6. Step 6: Final answer
    x = 17,109.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.