Home / 13,264.44-19,975.65-11,553.72

Finding the Fourth Proportional to 13,264.44, 19,975.65 and 11,553.72

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Solution

The fourth proportional to 13,264.44, 19,975.65 and 11,553.72 is: 17,399.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,264.44 : 19,975.65 = 11,553.72 : x
  2. Step 2: Convert to fraction form
    13,264.44/19,975.65 = 11,553.72/x
  3. Step 3: Cross multiply
    13,264.44x = 19,975.65 × 11,553.72
  4. Step 4: Simplify right side
    13,264.44x = 230,793,066.92
  5. Step 5: Solve for x
    x = 230,793,066.92/13,264.44
  6. Step 6: Final answer
    x = 17,399.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.