Home / 18,015.36-27,030.24-6,927.20

Finding the Fourth Proportional to 18,015.36, 27,030.24 and 6,927.20

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Solution

The fourth proportional to 18,015.36, 27,030.24 and 6,927.20 is: 10,393.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015.36 : 27,030.24 = 6,927.20 : x
  2. Step 2: Convert to fraction form
    18,015.36/27,030.24 = 6,927.20/x
  3. Step 3: Cross multiply
    18,015.36x = 27,030.24 × 6,927.20
  4. Step 4: Simplify right side
    18,015.36x = 187,243,878.53
  5. Step 5: Solve for x
    x = 187,243,878.53/18,015.36
  6. Step 6: Final answer
    x = 10,393.57

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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.