Home / 15,282.53-21,089.59-8,476.50

Finding the Fourth Proportional to 15,282.53, 21,089.59 and 8,476.50

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Solution

The fourth proportional to 15,282.53, 21,089.59 and 8,476.50 is: 11,697.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,282.53 : 21,089.59 = 8,476.50 : x
  2. Step 2: Convert to fraction form
    15,282.53/21,089.59 = 8,476.50/x
  3. Step 3: Cross multiply
    15,282.53x = 21,089.59 × 8,476.50
  4. Step 4: Simplify right side
    15,282.53x = 178,765,888.44
  5. Step 5: Solve for x
    x = 178,765,888.44/15,282.53
  6. Step 6: Final answer
    x = 11,697.41

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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.