Home / 14,979.14-20,670.42-8,601.30

Finding the Fourth Proportional to 14,979.14, 20,670.42 and 8,601.30

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Solution

The fourth proportional to 14,979.14, 20,670.42 and 8,601.30 is: 11,869.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979.14 : 20,670.42 = 8,601.30 : x
  2. Step 2: Convert to fraction form
    14,979.14/20,670.42 = 8,601.30/x
  3. Step 3: Cross multiply
    14,979.14x = 20,670.42 × 8,601.30
  4. Step 4: Simplify right side
    14,979.14x = 177,792,483.55
  5. Step 5: Solve for x
    x = 177,792,483.55/14,979.14
  6. Step 6: Final answer
    x = 11,869.34

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1.5x scale

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.