Home / 13,469.64-18,559.89-12,535.26

Finding the Fourth Proportional to 13,469.64, 18,559.89 and 12,535.26

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Solution

The fourth proportional to 13,469.64, 18,559.89 and 12,535.26 is: 17,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469.64 : 18,559.89 = 12,535.26 : x
  2. Step 2: Convert to fraction form
    13,469.64/18,559.89 = 12,535.26/x
  3. Step 3: Cross multiply
    13,469.64x = 18,559.89 × 12,535.26
  4. Step 4: Simplify right side
    13,469.64x = 232,653,046.72
  5. Step 5: Solve for x
    x = 232,653,046.72/13,469.64
  6. Step 6: Final answer
    x = 17,272.40

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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.