Home / 18,315.36-27,437.04-9,538.56

Finding the Fourth Proportional to 18,315.36, 27,437.04 and 9,538.56

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Solution

The fourth proportional to 18,315.36, 27,437.04 and 9,538.56 is: 14,289.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,315.36 : 27,437.04 = 9,538.56 : x
  2. Step 2: Convert to fraction form
    18,315.36/27,437.04 = 9,538.56/x
  3. Step 3: Cross multiply
    18,315.36x = 27,437.04 × 9,538.56
  4. Step 4: Simplify right side
    18,315.36x = 261,709,852.26
  5. Step 5: Solve for x
    x = 261,709,852.26/18,315.36
  6. Step 6: Final answer
    x = 14,289.09

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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.