Home / 14,149.63-21,230.60-5,387.05

Finding the Fourth Proportional to 14,149.63, 21,230.60 and 5,387.05

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Solution

The fourth proportional to 14,149.63, 21,230.60 and 5,387.05 is: 8,082.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.63 : 21,230.60 = 5,387.05 : x
  2. Step 2: Convert to fraction form
    14,149.63/21,230.60 = 5,387.05/x
  3. Step 3: Cross multiply
    14,149.63x = 21,230.60 × 5,387.05
  4. Step 4: Simplify right side
    14,149.63x = 114,370,303.73
  5. Step 5: Solve for x
    x = 114,370,303.73/14,149.63
  6. Step 6: Final answer
    x = 8,082.92

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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.