Home / 14,315.52-21,475.84-5,550.72

Finding the Fourth Proportional to 14,315.52, 21,475.84 and 5,550.72

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Solution

The fourth proportional to 14,315.52, 21,475.84 and 5,550.72 is: 8,327.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315.52 : 21,475.84 = 5,550.72 : x
  2. Step 2: Convert to fraction form
    14,315.52/21,475.84 = 5,550.72/x
  3. Step 3: Cross multiply
    14,315.52x = 21,475.84 × 5,550.72
  4. Step 4: Simplify right side
    14,315.52x = 119,206,374.60
  5. Step 5: Solve for x
    x = 119,206,374.60/14,315.52
  6. Step 6: Final answer
    x = 8,327.07

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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.