Home / 18,539.84-25,584-12,068.48

Finding the Fourth Proportional to 18,539.84, 25,584 and 12,068.48

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Solution

The fourth proportional to 18,539.84, 25,584 and 12,068.48 is: 16,653.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,539.84 : 25,584 = 12,068.48 : x
  2. Step 2: Convert to fraction form
    18,539.84/25,584 = 12,068.48/x
  3. Step 3: Cross multiply
    18,539.84x = 25,584 × 12,068.48
  4. Step 4: Simplify right side
    18,539.84x = 308,759,992.32
  5. Step 5: Solve for x
    x = 308,759,992.32/18,539.84
  6. Step 6: Final answer
    x = 16,653.86

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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.