Home / 14,769.71-20,382.12-8,055.21

Finding the Fourth Proportional to 14,769.71, 20,382.12 and 8,055.21

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Solution

The fourth proportional to 14,769.71, 20,382.12 and 8,055.21 is: 11,116.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,769.71 : 20,382.12 = 8,055.21 : x
  2. Step 2: Convert to fraction form
    14,769.71/20,382.12 = 8,055.21/x
  3. Step 3: Cross multiply
    14,769.71x = 20,382.12 × 8,055.21
  4. Step 4: Simplify right side
    14,769.71x = 164,182,256.85
  5. Step 5: Solve for x
    x = 164,182,256.85/14,769.71
  6. Step 6: Final answer
    x = 11,116.15

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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.