Home / 13,557.96-18,716.78-8,524.95

Finding the Fourth Proportional to 13,557.96, 18,716.78 and 8,524.95

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Solution

The fourth proportional to 13,557.96, 18,716.78 and 8,524.95 is: 11,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.96 : 18,716.78 = 8,524.95 : x
  2. Step 2: Convert to fraction form
    13,557.96/18,716.78 = 8,524.95/x
  3. Step 3: Cross multiply
    13,557.96x = 18,716.78 × 8,524.95
  4. Step 4: Simplify right side
    13,557.96x = 159,559,613.66
  5. Step 5: Solve for x
    x = 159,559,613.66/13,557.96
  6. Step 6: Final answer
    x = 11,768.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.