Home / 19,550.55-29,327.88-6,403.95

Finding the Fourth Proportional to 19,550.55, 29,327.88 and 6,403.95

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Solution

The fourth proportional to 19,550.55, 29,327.88 and 6,403.95 is: 9,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,550.55 : 29,327.88 = 6,403.95 : x
  2. Step 2: Convert to fraction form
    19,550.55/29,327.88 = 6,403.95/x
  3. Step 3: Cross multiply
    19,550.55x = 29,327.88 × 6,403.95
  4. Step 4: Simplify right side
    19,550.55x = 187,814,277.13
  5. Step 5: Solve for x
    x = 187,814,277.13/19,550.55
  6. Step 6: Final answer
    x = 9,606.60

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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.