Home / 18,824.94-25,971.03-13,158.18

Finding the Fourth Proportional to 18,824.94, 25,971.03 and 13,158.18

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Solution

The fourth proportional to 18,824.94, 25,971.03 and 13,158.18 is: 18,153.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.94 : 25,971.03 = 13,158.18 : x
  2. Step 2: Convert to fraction form
    18,824.94/25,971.03 = 13,158.18/x
  3. Step 3: Cross multiply
    18,824.94x = 25,971.03 × 13,158.18
  4. Step 4: Simplify right side
    18,824.94x = 341,731,487.53
  5. Step 5: Solve for x
    x = 341,731,487.53/18,824.94
  6. Step 6: Final answer
    x = 18,153.12

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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.