Home / 14,464.20-21,696.30-7,903.20

Finding the Fourth Proportional to 14,464.20, 21,696.30 and 7,903.20

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Solution

The fourth proportional to 14,464.20, 21,696.30 and 7,903.20 is: 11,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,464.20 : 21,696.30 = 7,903.20 : x
  2. Step 2: Convert to fraction form
    14,464.20/21,696.30 = 7,903.20/x
  3. Step 3: Cross multiply
    14,464.20x = 21,696.30 × 7,903.20
  4. Step 4: Simplify right side
    14,464.20x = 171,470,198.16
  5. Step 5: Solve for x
    x = 171,470,198.16/14,464.20
  6. Step 6: Final answer
    x = 11,854.80

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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.