Home / 14,968.72-22,455.52-6,651.60

Finding the Fourth Proportional to 14,968.72, 22,455.52 and 6,651.60

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Solution

The fourth proportional to 14,968.72, 22,455.52 and 6,651.60 is: 9,978.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,968.72 : 22,455.52 = 6,651.60 : x
  2. Step 2: Convert to fraction form
    14,968.72/22,455.52 = 6,651.60/x
  3. Step 3: Cross multiply
    14,968.72x = 22,455.52 × 6,651.60
  4. Step 4: Simplify right side
    14,968.72x = 149,365,136.83
  5. Step 5: Solve for x
    x = 149,365,136.83/14,968.72
  6. Step 6: Final answer
    x = 9,978.48

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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.