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Finding the Fourth Proportional to 18,593.64, 27,825.26 and 13,334.58

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Solution

The fourth proportional to 18,593.64, 27,825.26 and 13,334.58 is: 19,955.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,593.64 : 27,825.26 = 13,334.58 : x
  2. Step 2: Convert to fraction form
    18,593.64/27,825.26 = 13,334.58/x
  3. Step 3: Cross multiply
    18,593.64x = 27,825.26 × 13,334.58
  4. Step 4: Simplify right side
    18,593.64x = 371,038,088.82
  5. Step 5: Solve for x
    x = 371,038,088.82/18,593.64
  6. Step 6: Final answer
    x = 19,955.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.