Home / 14,491.30-19,995.69-8,116.90

Finding the Fourth Proportional to 14,491.30, 19,995.69 and 8,116.90

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Solution

The fourth proportional to 14,491.30, 19,995.69 and 8,116.90 is: 11,200.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,491.30 : 19,995.69 = 8,116.90 : x
  2. Step 2: Convert to fraction form
    14,491.30/19,995.69 = 8,116.90/x
  3. Step 3: Cross multiply
    14,491.30x = 19,995.69 × 8,116.90
  4. Step 4: Simplify right side
    14,491.30x = 162,303,016.16
  5. Step 5: Solve for x
    x = 162,303,016.16/14,491.30
  6. Step 6: Final answer
    x = 11,200.03

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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.