Home / 12,575.49-18,866.30-8,884.93

Finding the Fourth Proportional to 12,575.49, 18,866.30 and 8,884.93

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Solution

The fourth proportional to 12,575.49, 18,866.30 and 8,884.93 is: 13,329.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575.49 : 18,866.30 = 8,884.93 : x
  2. Step 2: Convert to fraction form
    12,575.49/18,866.30 = 8,884.93/x
  3. Step 3: Cross multiply
    12,575.49x = 18,866.30 × 8,884.93
  4. Step 4: Simplify right side
    12,575.49x = 167,625,660.53
  5. Step 5: Solve for x
    x = 167,625,660.53/12,575.49
  6. Step 6: Final answer
    x = 13,329.56

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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.