Home / 18,325.29-25,266.73-15,487.66

Finding the Fourth Proportional to 18,325.29, 25,266.73 and 15,487.66

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Solution

The fourth proportional to 18,325.29, 25,266.73 and 15,487.66 is: 21,354.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325.29 : 25,266.73 = 15,487.66 : x
  2. Step 2: Convert to fraction form
    18,325.29/25,266.73 = 15,487.66/x
  3. Step 3: Cross multiply
    18,325.29x = 25,266.73 × 15,487.66
  4. Step 4: Simplify right side
    18,325.29x = 391,322,523.55
  5. Step 5: Solve for x
    x = 391,322,523.55/18,325.29
  6. Step 6: Final answer
    x = 21,354.23

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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.