Home / 18,239.62-27,379.59-13,068.58

Finding the Fourth Proportional to 18,239.62, 27,379.59 and 13,068.58

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Solution

The fourth proportional to 18,239.62, 27,379.59 and 13,068.58 is: 19,617.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239.62 : 27,379.59 = 13,068.58 : x
  2. Step 2: Convert to fraction form
    18,239.62/27,379.59 = 13,068.58/x
  3. Step 3: Cross multiply
    18,239.62x = 27,379.59 × 13,068.58
  4. Step 4: Simplify right side
    18,239.62x = 357,812,362.28
  5. Step 5: Solve for x
    x = 357,812,362.28/18,239.62
  6. Step 6: Final answer
    x = 19,617.31

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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.