Home / 12,330.53-18,497.64-4,538.75

Finding the Fourth Proportional to 12,330.53, 18,497.64 and 4,538.75

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Solution

The fourth proportional to 12,330.53, 18,497.64 and 4,538.75 is: 6,808.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,330.53 : 18,497.64 = 4,538.75 : x
  2. Step 2: Convert to fraction form
    12,330.53/18,497.64 = 4,538.75/x
  3. Step 3: Cross multiply
    12,330.53x = 18,497.64 × 4,538.75
  4. Step 4: Simplify right side
    12,330.53x = 83,956,163.55
  5. Step 5: Solve for x
    x = 83,956,163.55/12,330.53
  6. Step 6: Final answer
    x = 6,808.80

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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.