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Finding the Fourth Proportional to 14,978.96, 22,468.53 and 6,657.02

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Solution

The fourth proportional to 14,978.96, 22,468.53 and 6,657.02 is: 9,985.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,978.96 : 22,468.53 = 6,657.02 : x
  2. Step 2: Convert to fraction form
    14,978.96/22,468.53 = 6,657.02/x
  3. Step 3: Cross multiply
    14,978.96x = 22,468.53 × 6,657.02
  4. Step 4: Simplify right side
    14,978.96x = 149,573,453.58
  5. Step 5: Solve for x
    x = 149,573,453.58/14,978.96
  6. Step 6: Final answer
    x = 9,985.57

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.