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Finding the Fourth Proportional to 15,051.52, 22,578.88 and 4,664.08

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Solution

The fourth proportional to 15,051.52, 22,578.88 and 4,664.08 is: 6,996.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,051.52 : 22,578.88 = 4,664.08 : x
  2. Step 2: Convert to fraction form
    15,051.52/22,578.88 = 4,664.08/x
  3. Step 3: Cross multiply
    15,051.52x = 22,578.88 × 4,664.08
  4. Step 4: Simplify right side
    15,051.52x = 105,309,702.63
  5. Step 5: Solve for x
    x = 105,309,702.63/15,051.52
  6. Step 6: Final answer
    x = 6,996.62

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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.