Home / 14,769.90-20,382.14-8,055.60

Finding the Fourth Proportional to 14,769.90, 20,382.14 and 8,055.60

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Solution

The fourth proportional to 14,769.90, 20,382.14 and 8,055.60 is: 11,116.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,769.90 : 20,382.14 = 8,055.60 : x
  2. Step 2: Convert to fraction form
    14,769.90/20,382.14 = 8,055.60/x
  3. Step 3: Cross multiply
    14,769.90x = 20,382.14 × 8,055.60
  4. Step 4: Simplify right side
    14,769.90x = 164,190,366.98
  5. Step 5: Solve for x
    x = 164,190,366.98/14,769.90
  6. Step 6: Final answer
    x = 11,116.55

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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.