Home / 18,617.05-25,689.23-11,063.53

Finding the Fourth Proportional to 18,617.05, 25,689.23 and 11,063.53

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Solution

The fourth proportional to 18,617.05, 25,689.23 and 11,063.53 is: 15,266.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,617.05 : 25,689.23 = 11,063.53 : x
  2. Step 2: Convert to fraction form
    18,617.05/25,689.23 = 11,063.53/x
  3. Step 3: Cross multiply
    18,617.05x = 25,689.23 × 11,063.53
  4. Step 4: Simplify right side
    18,617.05x = 284,213,438.34
  5. Step 5: Solve for x
    x = 284,213,438.34/18,617.05
  6. Step 6: Final answer
    x = 15,266.30

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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.