Home / 14,169.95-21,255.36-4,309.31

Finding the Fourth Proportional to 14,169.95, 21,255.36 and 4,309.31

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Solution

The fourth proportional to 14,169.95, 21,255.36 and 4,309.31 is: 6,464.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,169.95 : 21,255.36 = 4,309.31 : x
  2. Step 2: Convert to fraction form
    14,169.95/21,255.36 = 4,309.31/x
  3. Step 3: Cross multiply
    14,169.95x = 21,255.36 × 4,309.31
  4. Step 4: Simplify right side
    14,169.95x = 91,595,829.12
  5. Step 5: Solve for x
    x = 91,595,829.12/14,169.95
  6. Step 6: Final answer
    x = 6,464.09

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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.