Home / 18,564.53-25,622.76-11,015.06

Finding the Fourth Proportional to 18,564.53, 25,622.76 and 11,015.06

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Solution

The fourth proportional to 18,564.53, 25,622.76 and 11,015.06 is: 15,202.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,564.53 : 25,622.76 = 11,015.06 : x
  2. Step 2: Convert to fraction form
    18,564.53/25,622.76 = 11,015.06/x
  3. Step 3: Cross multiply
    18,564.53x = 25,622.76 × 11,015.06
  4. Step 4: Simplify right side
    18,564.53x = 282,236,151.96
  5. Step 5: Solve for x
    x = 282,236,151.96/18,564.53
  6. Step 6: Final answer
    x = 15,202.98

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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.